11 Best Taurine Supplements (2026) Reviewed
Taurine is one of the most abundant amino acids in your body, concentrated in metabolically active tissues like your heart, brain, eyes, and skeletal muscles. While technically classified as a conditionally essential amino acid, research increasingly suggests that supplementation may offer significant health benefits—particularly for cardiovascular function, exercise performance, and healthy aging.
Interest in taurine supplementation has surged following landmark research suggesting correlations between taurine levels and longevity. As we age, our natural taurine production declines, making supplementation potentially valuable for adults seeking to support their overall health. Whether you’re an athlete looking to enhance recovery, someone focused on heart health, or simply interested in supporting healthy aging, choosing a quality taurine supplement matters.
We researched dozens of taurine supplements, examining third-party testing, manufacturing standards, ingredient purity, and consumer feedback. Our selection includes options across multiple price points and formats to help you find the right fit for your needs.
Table of Contents
- Quick Comparison Table
- Capsules vs. Powder: Which Form Is Right for You?
- Individual Product Reviews
- Buying Guide
- How to Take Taurine
- Potential Benefits of Taurine
- Safety Considerations
- Frequently Asked Questions
- Bottom Line
Quick Comparison Table
| Product | Form | Serving Size | Key Differentiator | Best For | Winner |
|---|---|---|---|---|---|
| Nutricost Taurine 1000mg | Capsule | 1,000 mg | 400-count bottle, third-party tested | Overall value seekers | 🏆 TOP PICK |
| Life Extension Taurine 1000mg | Capsule | 1,000 mg | Science-backed formulation, longevity focused | Healthy aging support | 🥇 Best Premium |
| NOW Foods Taurine 1000mg | Capsule | 1,000 mg | Vegan, kosher, GMP certified | Those with dietary restrictions | 🥇 Best Vegan |
| Pure Encapsulations Taurine 1000mg | Capsule | 1,000 mg | Hypoallergenic, free from common allergens | Sensitive individuals | 🥇 Best Hypoallergenic |
| Jarrow Formulas Taurine 1000mg | Capsule | 1,000 mg | Pharmaceutical grade, brain health focus | Cognitive support | 🥇 Best for Brain Health |
| Source Naturals Taurine 1000mg | Capsule | 1,000 mg | Soothing neurotransmitter support | Relaxation & calm | |
| Designs for Health Taurine 1000mg | Capsule | 1,000 mg | Practitioner-grade, cardiovascular focus | Clinical protocols | 🥇 Best Practitioner Grade |
| Double Wood Taurine 1000mg | Capsule | 1,000 mg (2 caps) | Longevity-focused, third-party tested | Anti-aging protocols | |
| BulkSupplements Taurine Powder | Powder | 2,000 mg | 1kg bulk size, unflavored | Cost-conscious athletes | 🥇 Best Bulk Powder |
| NOW Foods Taurine Powder | Powder | 1,000 mg | 8oz convenient size, pure formula | Powder beginners | |
| Life Extension Taurine Powder | Powder | 750 mg | Premium quality, no additives | Premium powder seekers | 🥇 Best Premium Powder |
Capsules vs. Powder: Which Form Is Right for You?
Capsules
Pros: Pre-measured doses for convenience, easy to travel with, no taste concerns, consistent serving sizes, ideal for those who prefer simplicity.
Cons: Less flexibility in adjusting doses, may require multiple capsules for higher doses, slightly higher cost per serving.
Best for: Daily supplementation, those who want convenience, people who dislike the taste of supplements, anyone following precise dosing protocols.
Powder
Pros: Flexible dosing, cost-effective for higher doses, easily added to pre-workout drinks or smoothies, typically faster absorption.
Cons: Requires measuring, may have a slightly bitter taste, less convenient for travel.
Best for: Athletes using higher doses, those mixing supplements into beverages, budget-conscious buyers, anyone who needs flexible dosing.
Individual Product Reviews
Nutricost Taurine 1000mg — Best Overall
Nutricost delivers exceptional value with a massive 400-capsule bottle that provides more than a year’s supply at the standard daily dose, all while maintaining rigorous quality standards.
Nutricost has established itself as a reliable mid-tier supplement brand known for straightforward formulations and competitive pricing. Their taurine supplement contains 1,000 mg of pure taurine per capsule in free-form format for optimal absorption. The product is manufactured in an FDA-registered, GMP-compliant facility and undergoes independent third-party testing by ISO-accredited laboratories to verify purity and potency.
The formula is non-GMO and gluten-free, making it accessible to most dietary preferences. With 400 capsules per bottle, this represents outstanding value for daily supplementation. The capsules are reasonably sized and easy to swallow, with minimal additional ingredients.
Key Specifications:
- Serving size: 1,000 mg per capsule
- Capsules per bottle: 400
- Other ingredients: Gelatin capsule, magnesium stearate
- Certifications: Non-GMO, gluten-free, third-party tested, GMP compliant
Considerations: Uses gelatin capsules, so not suitable for vegetarians. Some users may prefer vegetable-based capsules.
Life Extension Taurine 1000mg — Best Premium Capsule
Life Extension’s science-backed approach and four decades of research expertise make this an ideal choice for those prioritizing quality and evidence-based formulation.
Life Extension has been a pioneer in longevity-focused supplementation for over 40 years, funding anti-aging research and developing formulas based on the latest scientific findings. Their taurine supplement delivers 1,000 mg per vegetarian capsule, formulated specifically to support heart health, brain function, muscle recovery, and healthy aging.
The company emphasizes their connection to longevity research, citing population studies suggesting correlations between taurine levels and healthy aging. Their manufacturing processes adhere to strict quality controls, with the majority of products made in the USA. A Certificate of Analysis is available for each product batch.
Key Specifications:
- Serving size: 1,000 mg per capsule
- Capsules per bottle: 90
- Other ingredients: Vegetable cellulose capsule, silica, vegetable stearate
- Certifications: Non-GMO, gluten-free, vegetarian
Considerations: Premium pricing compared to budget options. Smaller bottle size means more frequent reordering.
NOW Foods Taurine 1000mg — Best Vegan Option
NOW Foods combines decades of supplement expertise with comprehensive certifications, making this the top choice for those seeking a vegan, kosher, and allergen-free taurine supplement.
NOW Foods is a family-owned company operating since 1968 with an A-rated, third-party GMP certification. Their double-strength taurine formula delivers 1,000 mg per vegan capsule, supporting nervous system health and visual function. The company operates ISO/IEC-accredited in-house laboratories for stability, potency, and formulation testing.
This formula stands out for its extensive allergen certifications: it’s dairy-free, egg-free, kosher, made without gluten, non-GMO, nut-free, soy-free, and vegan/vegetarian. The hypromellose (cellulose) capsule makes it suitable for plant-based diets, while the clean formula contains only vegetable-source stearic acid and silicon dioxide as inactive ingredients.
Key Specifications:
- Serving size: 1,000 mg per capsule
- Capsules per bottle: 100 (also available in 250-count)
- Other ingredients: Hypromellose capsule, stearic acid (vegetable source), silicon dioxide
- Certifications: Vegan, kosher, non-GMO, gluten-free, GMP Quality Assured
Considerations: Suggested to consult physician if taking anti-hypertensive or diuretic medications due to potential blood pressure effects.
Pure Encapsulations Taurine 1000mg — Best Hypoallergenic
For individuals with sensitivities or those following elimination diets, Pure Encapsulations offers a meticulously clean formula free from virtually all common allergens and unnecessary additives.
Pure Encapsulations has built its reputation on hypoallergenic formulations designed for sensitive individuals and practitioner protocols. Their taurine supplement delivers 1,000 mg of free-form taurine per capsule with an exceptionally clean ingredient list—just taurine, a vegetarian capsule, and ascorbyl palmitate (a vitamin C derivative used as a natural preservative).
The product is free from wheat, eggs, tree nuts, peanuts, gluten, artificial colors, flavors, sweeteners, coatings, shellacs, GMOs, and unnecessary binders, fillers, and preservatives. All Pure Encapsulations ingredients undergo third-party testing for purity and potency, with suppliers certifying GMO-free status.
Key Specifications:
- Serving size: 1,000 mg per capsule
- Capsules per bottle: 120
- Other ingredients: Vegetarian capsule (cellulose, water), ascorbyl palmitate
- Certifications: Gluten-free certified, non-GMO, vegan
Considerations: Premium pricing reflects the hypoallergenic formulation and testing protocols. Ideal for those with multiple sensitivities or following practitioner guidance.
Jarrow Formulas Taurine 1000mg — Best for Brain Health
Jarrow Formulas emphasizes pharmaceutical-grade quality and brain health support, making this an excellent choice for those prioritizing cognitive function and neuroprotection.
Jarrow Formulas has been developing science-based supplements since their founding, with a particular focus on brain and nervous system health. Their taurine product contains pharmaceutical-grade taurine at 1,000 mg per capsule, specifically formulated to support neuroprotection, membrane stabilization, bile acid conjugation, and osmoregulation.
The brand’s “Superior Science, Smarter Formulas” approach includes rigorous quality testing and IGEN non-GMO verification. While this product uses bovine gelatin capsules (not suitable for vegetarians), the pharmaceutical-grade designation indicates heightened purity standards.
Key Specifications:
- Serving size: 1,000 mg per capsule
- Capsules per bottle: 100
- Other ingredients: Gelatin capsule (bovine), magnesium stearate (vegetable source), microcrystalline cellulose
- Certifications: IGEN non-GMO tested, gluten-free
Considerations: Contains bovine gelatin, making it unsuitable for vegetarians or those avoiding animal products. Excellent option for those specifically focused on brain health.
Source Naturals Taurine 1000mg — Best for Relaxation
Source Naturals positions their taurine as a “soothing neurotransmitter,” making it particularly appealing for those seeking support for calm and relaxation alongside cardiovascular benefits.
Founded in 1982 in Santa Cruz, California, Source Naturals pioneered the concept of combining multiple nutrients into comprehensive “Bio-Aligned Formulas.” Their taurine supplement delivers 1,000 mg of crystalline, free-form taurine per capsule, emphasizing its role as a soothing neurotransmitter that may help stabilize heartbeat and nerve electrical activity.
The formula is hypoallergenic, containing no yeast, dairy, egg, gluten, corn, soy, wheat, sugar, starch, preservatives, or artificial colors, flavors, or fragrances. Manufactured in Scotts Valley, CA, under GMP standards, this product represents over 40 years of supplement expertise.
Key Specifications:
- Serving size: 1,000 mg per capsule
- Capsules per bottle: 120 (also available in 60 and 240-count)
- Other ingredients: Gelatin capsule, magnesium stearate
- Certifications: GMP compliant, USA manufactured
Considerations: Uses gelatin capsules. The calming emphasis may appeal to those dealing with stress, though individual results vary.
Designs for Health Taurine 1000mg — Best Practitioner Grade
As the #1 practitioner supplement brand recommended by functional medicine professionals, Designs for Health offers clinical-grade taurine ideal for therapeutic protocols.
Designs for Health positions itself as a practitioner-focused brand, and their status as the most recommended and personally trusted supplement brand among functional medicine professionals speaks to their quality standards. Their taurine supplement delivers 1,000 mg of free-form taurine per capsule, emphasizing cardiovascular support and suitability for those not meeting taurine requirements through diet.
The formula is vegan, non-GMO, and free from soy, gluten, and dairy. Designs for Health notes that vegetarians and those who don’t consume meat or fish may not be meeting their taurine requirements, making supplementation particularly relevant. The product also supports bile acid production and taurocholic acid synthesis.
Key Specifications:
- Serving size: 1,000 mg per capsule
- Capsules per bottle: 120
- Other ingredients: Vegetable capsule
- Certifications: Vegan, non-GMO, gluten-free, soy-free
Considerations: Premium pricing typical of practitioner-grade supplements. Often recommended as part of clinical protocols by healthcare providers.
Double Wood Taurine 1000mg — Best for Longevity Focus
Double Wood specifically markets their taurine for healthy aging and longevity support, based on recent research suggesting taurine’s potential role in healthspan extension.
Double Wood Supplements has built a following among longevity-focused consumers by offering science-backed supplements at accessible price points. Their taurine product delivers 1,000 mg per serving (via two 500 mg capsules), with 180 capsules providing a three-month supply. The product is manufactured and tested in the USA with globally sourced ingredients.
The brand emphasizes recent research suggesting taurine may support healthy aging and that taurine concentrations decline with age. Their formula is vegan-safe, non-GMO, and gluten-free, with third-party testing for microbes and heavy metals providing additional quality assurance.
Key Specifications:
- Serving size: 1,000 mg (2 capsules)
- Capsules per bottle: 180
- Other ingredients: Vegetable capsule
- Certifications: Vegan, non-GMO, gluten-free, third-party tested
Considerations: Requires taking two capsules per serving, which some may find less convenient than single-capsule options.
BulkSupplements Taurine Powder — Best Bulk Powder
For athletes and heavy users seeking maximum value, BulkSupplements offers pharmaceutical-grade taurine powder in a massive 1-kilogram size at an unbeatable cost per serving.
BulkSupplements has carved out a niche offering single-ingredient supplements in bulk quantities at competitive prices. Their taurine powder provides 2,000 mg per serving in an unflavored format that mixes easily into water, juice, or pre-workout beverages. The 1-kilogram (2.2 lb) bag provides approximately 500 servings.
The company emphasizes transparent, clean formulations with rigorous third-party testing and cGMP-compliant manufacturing. The powder contains only taurine and silicon dioxide (an anti-caking agent), making it suitable for those who want to avoid unnecessary additives. The unflavored profile allows seamless integration into any beverage or supplement stack.
Key Specifications:
- Serving size: 2,000 mg (½ teaspoon)
- Container size: 1 kg (2.2 lbs)
- Servings per container: ~500
- Other ingredients: Silicon dioxide
- Certifications: Third-party tested, cGMP compliant, gluten-free
Considerations: Requires measuring and mixing. The large container size may not suit those who want to try taurine before committing to a bulk purchase.
NOW Foods Taurine Powder — Best Powder for Beginners
NOW Foods’ 8-ounce taurine powder offers an accessible entry point for those wanting to try powder format without committing to bulk quantities.
NOW Foods applies their rigorous quality standards to this pure taurine powder, delivering 1,000 mg per quarter-teaspoon serving. The 8-ounce container provides approximately 227 servings—enough for several months of daily use while remaining manageable in size.
The formula is pure taurine with no additional ingredients, manufactured under NOW’s A-rated GMP certification with ISO/IEC-accredited laboratory testing. Like their capsules, this powder is vegan, kosher, and free from major allergens.
Key Specifications:
- Serving size: 1,000 mg (ÂĽ teaspoon)
- Container size: 8 oz (227 g)
- Servings per container: ~227
- Other ingredients: None
- Certifications: Vegan, kosher, non-GMO, GMP Quality Assured
Considerations: Pure taurine may have a slightly bitter taste when mixed in water. Consider adding to juice or flavored beverages.
Life Extension Taurine Powder — Best Premium Powder
Life Extension brings their research-backed approach to powder format, offering a premium taurine powder with zero additives for those who want the highest quality in a versatile format.
Life Extension’s taurine powder delivers 750 mg per serving (ÂĽ teaspoon) with literally no other ingredients—just pure taurine. The 300-gram container provides approximately 400 servings, representing excellent value for a premium product. The unflavored powder mixes easily into water, juice, or any preferred beverage.
Consistent with Life Extension’s focus on healthy aging, this product emphasizes cardiovascular support, brain health, and exercise recovery. The zero-additive formula appeals to those who want absolute purity and the flexibility to adjust their dose precisely.
Key Specifications:
- Serving size: 750 mg (ÂĽ level teaspoon)
- Container size: 300 g (10.58 oz)
- Servings per container: ~400
- Other ingredients: None
- Certifications: Non-GMO, gluten-free, vegetarian
Considerations: Slightly lower serving size (750 mg vs. 1,000 mg) means you may want to use a slightly heaping scoop to achieve 1,000 mg.
Buying Guide: What to Look for in a Taurine Supplement
Key Quality Indicators
Free-form taurine: Look for “free-form” or “crystalline” taurine, which indicates the pure, readily absorbable form rather than taurine bound to other compounds.
Third-party testing: Independent laboratory testing verifies that the product contains what the label claims and is free from contaminants like heavy metals, microbes, and adulterants.
GMP certification: Good Manufacturing Practice (GMP) certification indicates the facility follows standardized production processes that ensure quality and consistency.
Minimal additives: Quality taurine supplements should contain few inactive ingredients. Look for products with just taurine, capsule material, and perhaps a flow agent like silicon dioxide or magnesium stearate.
Certifications That Matter
NSF Certified, IGEN Non-GMO tested, and ISO-accredited laboratory testing represent meaningful third-party verification. Vegan/vegetarian certifications matter if you follow a plant-based diet—check whether capsules use gelatin (animal-derived) or cellulose (plant-derived).
Red Flags to Avoid
Be cautious of products with excessively long ingredient lists containing fillers, artificial colors, or flavors. Avoid products without clear manufacturing information or those making exaggerated health claims. Unusually low prices may indicate quality compromises.
Dose Considerations
Most clinical research uses doses between 500 mg and 3,000 mg daily. The 1,000 mg serving size offered by most quality supplements represents a reasonable middle ground. Those seeking higher doses (for athletic performance, for example) may benefit from powder format for easier measurement and cost efficiency.
How to Take Taurine
Recommended Dosage
Based on clinical research, typical dosing ranges from 500 mg to 3,000 mg per day. Most supplements provide 1,000 mg per serving, which represents a well-studied and generally effective dose for most purposes. Some research protocols use up to 6,000 mg daily, though this should only be done under healthcare provider guidance.
Timing
For general health support, taurine can be taken at any time of day with or without food. For exercise performance benefits, research suggests consuming taurine 60-120 minutes before exercise may optimize bioavailability. For sleep and relaxation support, some prefer taking taurine in the evening.
Format-Specific Instructions
Capsules: Take with water or juice. Can be taken with or without food. Most products recommend taking between meals for optimal absorption.
Powder: Mix measured amount into 8-12 oz of water, juice, or your preferred beverage. Taurine is water-soluble and mixes easily. Can be added to pre-workout drinks, smoothies, or protein shakes.
Cycling
Current evidence does not suggest taurine requires cycling. The body naturally produces and utilizes taurine continuously, and supplementation appears safe for ongoing daily use. However, some users prefer periodic breaks from any supplement. Consult your healthcare provider for personalized guidance.
Potential Benefits of Taurine
Cardiovascular Health
Research suggests taurine may support cardiovascular function in several ways. A systematic review and meta-analysis published in Nutrition Journal found that taurine supplementation was associated with modest reductions in blood pressure. Taurine appears to help maintain healthy blood vessel function and may support normal heart rhythm.
Exercise Performance and Recovery
A meta-analysis examining taurine’s effects on exercise performance found that single doses may help improve time to exhaustion during endurance activities. Studies have also examined taurine’s potential to reduce delayed-onset muscle soreness (DOMS), particularly when combined with branched-chain amino acids.
Brain and Nervous System Function
Taurine is highly concentrated in the brain, where it functions as a neuromodulator alongside neurotransmitters like GABA and glycine. Research suggests it may help support cognitive function and provide neuroprotective benefits, though more studies are needed to confirm specific effects in humans.
Metabolic Support
Some research suggests taurine may help support healthy blood glucose levels and insulin sensitivity. A systematic review and meta-analysis examined taurine supplementation in adults with overweight or obesity and found potential benefits for lipid and glycemic profiles.
Healthy Aging and Longevity
Recent research has generated significant interest in taurine’s potential role in healthy aging. Population studies have observed correlations between higher taurine intake and longevity in certain populations, though more research is needed to establish causation.
Safety Considerations
General Safety
Taurine is generally considered safe for most adults when taken at recommended doses. According to research cited by Examine.com, regular intake of up to 3 grams per day has been consumed without safety concerns in clinical studies. Taurine is naturally present in foods like meat, fish, and dairy, and the body also produces it endogenously.
Potential Side Effects
Side effects are uncommon at typical doses but may include mild gastrointestinal discomfort such as nausea, stomach upset, or diarrhea. Some users report headaches, particularly when first starting supplementation. These effects are typically mild and transient.
Who Should Use Caution
Those with low blood pressure: Taurine may modestly reduce blood pressure, which could be problematic for those already experiencing hypotension.
Those taking blood pressure medications: Potential additive effects on blood pressure warrant medical supervision.
Those taking diuretic medications: Taurine may affect electrolyte balance, potentially interacting with diuretics.
Those with bipolar disorder or taking lithium: Some research suggests potential interactions with medications affecting mood.
Pregnant or nursing women: Insufficient data exists to confirm safety during pregnancy or lactation. Consult a healthcare provider before use.
Drug Interactions
Taurine may potentially interact with anti-hypertensive medications, diuretics, lithium, and certain medications affecting the nervous system. Always consult your healthcare provider before starting taurine if you take any prescription medications.
When to Consult a Healthcare Provider
Speak with a healthcare professional before starting taurine supplementation if you have any underlying health conditions, take prescription medications, are pregnant or nursing, or plan to use doses exceeding 3 grams daily.
Frequently Asked Questions
What is taurine and why do people supplement with it?
Taurine is a sulfur-containing amino acid abundant in the heart, brain, eyes, and muscles. Unlike most amino acids, it’s not used for protein synthesis but plays important roles in cell membrane stability, nerve function, and cardiovascular health. People supplement with taurine to support heart health, exercise performance, brain function, and healthy aging.
Is taurine safe for daily long-term use?
Based on available research, taurine appears safe for daily use at doses up to 3 grams per day. It’s naturally produced by the body and found in many foods. However, as with any supplement, it’s wise to consult a healthcare provider for personalized guidance, especially for long-term use.
When is the best time to take taurine?
Taurine can be taken at any time. For exercise performance, take it 60-120 minutes before activity. For general health, any consistent time works. Some people prefer evening dosing for its potential calming effects, while others take it morning or afternoon.
Can I get enough taurine from food alone?
Taurine is found in meat, fish, seafood, and dairy products. Those eating animal products typically consume 40-400 mg daily from food. Vegetarians and vegans get little dietary taurine, though the body can synthesize small amounts from other amino acids. Supplementation may be particularly beneficial for those not consuming animal products.
Does taurine give you energy like caffeine?
Taurine doesn’t provide stimulant energy like caffeine. Despite its presence in energy drinks, taurine actually has calming properties and works as a neuromodulator. Any energy effects from taurine relate to supporting cellular energy production and exercise performance, not stimulation.
Can taurine help with sleep?
Some research suggests taurine may support relaxation through its interaction with GABA receptors. While not primarily a sleep supplement, some users report improved sleep quality. Its calming effects may help those whose sleep is affected by stress or anxiety.
Is taurine the same as L-taurine?
Yes, taurine and L-taurine refer to the same compound. The “L-” prefix technically isn’t necessary for taurine since it doesn’t have the typical amino acid structure with D- and L- forms, but supplement labels sometimes use “L-taurine” for consistency with other amino acid naming conventions.
Should I take taurine with food or on an empty stomach?
Taurine can be taken either way. Some research suggests absorption may be slightly better on an empty stomach, but taking it with food is fine and may reduce any potential stomach discomfort. Consistency in timing matters more than the specific approach.
Can I take taurine with other supplements?
Taurine generally combines well with other supplements. It’s commonly stacked with magnesium, B vitamins, and other amino acids. It may synergize with caffeine for exercise performance. However, always consider total supplement intake and consult a healthcare provider if combining multiple supplements.
How long does it take to notice effects from taurine?
Effects vary by individual and purpose. Exercise performance benefits may be noticeable within the first few uses. Cardiovascular or metabolic benefits typically require consistent supplementation over several weeks to months. Some users report subtle improvements in energy and well-being within the first week.
Bottom Line
For most people: Nutricost Taurine 1000mg offers the best combination of quality, value, and convenience with its 400-capsule bottle and third-party testing.
For premium quality: Life Extension Taurine 1000mg provides science-backed formulation from a trusted longevity-focused brand.
For vegans and those with dietary restrictions: NOW Foods Taurine 1000mg offers comprehensive allergen certifications and vegan capsules.
For those with sensitivities: Pure Encapsulations Taurine 1000mg provides the cleanest hypoallergenic formula available.
For athletes and heavy users: BulkSupplements Taurine Powder delivers unbeatable value for those using higher doses.
For practitioner protocols: Designs for Health Taurine 1000mg offers clinical-grade quality trusted by functional medicine professionals.
Disclaimer: This article is for informational purposes only and is not intended as medical advice. Dietary supplements are not intended to diagnose, treat, cure, or prevent any disease. Consult your healthcare provider before starting any supplement regimen, especially if you have existing health conditions or take medications. Product details may change; verify current information on product labels and manufacturer websites.
Meta Description: Compare the 11 best taurine supplements of 2026. Expert reviews of top capsules and powders for heart health, exercise recovery, and healthy aging. Includes dosage guide and safety information.
