Best EGCG Supplements for Metabolism (2026) – Top 10 Reviewed
EGCG (epigallocatechin gallate) is the most potent catechin in green tea and has been extensively studied for its metabolism-boosting and fat-oxidation properties. Research suggests that 400-500mg of EGCG daily can support thermogenesis and help your body burn more calories at rest.
The best EGCG supplements deliver standardized extracts with high catechin concentrations, good bioavailability, and clean formulations. Here are our top 10 picks for 2026.
| Product | Key Features | Servings | Form | Best For |
|---|---|---|---|---|
| Zazzee Extra Strength Green Tea 20:1 Extract | 6000mg strength, 50% EGCG, 98% polyphenols | 150 | Capsules | Best Overall |
| Green Tea Weight Loss Pills 45% EGCG | 45% EGCG, metabolism & appetite support | 90 | Capsules | Best Value |
| NOW Foods EGCg Green Tea Extract 400mg | 200mg EGCG, 80% catechins, Non-GMO verified | 180 | Capsules | Best Budget |
| Zenwise Green Tea Extract with Vitamin C | 725mg extract, 360mg EGCG, added Vitamin C | 120 | Capsules | Best with Vitamin C |
| Life Extension Decaf Mega Green Tea Extract | 725mg extract, 98% polyphenols, decaffeinated | 100 | Capsules | Best Caffeine-Free |
| EGCG Green Tea Extract High Potency | 500mg per capsule, high catechins | 60 | Capsules | Best High-Potency |
| EVL Thermogenic Pre Workout | Green tea + thermogenic blend | 30 | Powder | Best for Workouts |
| Women’s Fat Burner Gummies | Green tea, garcinia, green coffee | 60 | Gummies | Best Gummies for Women |
| EVL Night Time Fat Burner | Thermogenic green tea + sleep support | 60 | Capsules | Best for Nighttime |
| Men’s Fat Burner Gummies | Green tea, green coffee, garcinia | 60 | Gummies | Best Gummies for Men |
1. Zazzee Extra Strength Green Tea 20:1 Extract – Best Overall
Why it stands out: This 20:1 concentrated extract delivers the equivalent of 6,000mg of green tea per capsule, with an industry-leading 50% EGCG standardization and 98% total polyphenols. This level of concentration is rare in the market and provides exceptional value.
Zazzee’s formula is one of the most potent EGCG supplements available, providing significantly more active catechins than standard green tea extracts. The 80% catechin content ensures you’re getting therapeutic doses that research suggests are effective for metabolism support—you’d need to drink approximately 10-12 cups of green tea to match what one capsule delivers. Each bottle provides a 5-month supply at one capsule daily, making it an excellent long-term value despite the higher upfront cost.
The extract is standardized using high-performance liquid chromatography (HPLC) testing, ensuring batch-to-batch consistency. The vegan capsules are manufactured in the USA in a GMP-certified facility and undergo third-party testing for purity, potency, and contaminants. This level of quality control is essential for concentrated extracts where consistency matters.
Pros:
- Highest concentration available (20:1 extract ratio)
- 50% EGCG standardization exceeds most competitors
- 5-month supply per bottle
- Non-GMO and vegan-friendly
- Third-party tested for purity
Cons:
- Higher potency may cause stomach sensitivity in some users
- Premium pricing compared to standard extracts
Best for: Anyone seeking maximum EGCG potency for metabolism and antioxidant support who wants fewer pills with more impact.
2. Green Tea Weight Loss Pills 45% EGCG – Best Value
Why it stands out: This formula combines a solid 45% EGCG concentration with additional metabolism-supporting ingredients at an affordable price point.
Designed specifically for metabolism and weight management support, this supplement delivers a clinically relevant dose of EGCG alongside ingredients that support appetite control and fat oxidation. The 45% EGCG standardization is right in the sweet spot that research suggests is effective without being overwhelming. Works well for both men and women looking for daily metabolic support without breaking the bank.
Pros:
- Excellent price-to-potency ratio
- Formulated specifically for metabolism support
- Suitable for both men and women
- Good serving count per bottle
Cons:
- Contains caffeine, which may affect caffeine-sensitive individuals
Best for: Budget-conscious buyers wanting effective EGCG support for weight management goals.
3. NOW Foods EGCg Green Tea Extract 400mg – Best Budget
Why it stands out: NOW Foods delivers pharmaceutical-grade quality with Non-GMO Project verification and GMP certification at one of the lowest price points in the category. Their 50+ year track record makes them one of the most trusted names in supplements.
Each capsule provides 400mg of green tea extract standardized to 80% catechins and 50% EGCG, delivering approximately 200mg of pure EGCG—equivalent to 2-3 cups of green tea. This is a solid maintenance dose for general metabolic support and antioxidant benefits. NOW Foods has been a trusted name in supplements since 1968, and their rigorous testing protocols ensure consistent quality across every batch.
The formula contains minimal caffeine (up to 4mg naturally occurring), making it suitable for those watching their caffeine intake without needing to opt for a decaffeinated product. NOW also includes an additional 50mg of decaffeinated green tea to boost the overall catechin content. The 180-capsule bottle provides a 6-month supply at one capsule daily, delivering exceptional value. All NOW products are manufactured in their own GMP-certified facilities and undergo extensive testing for identity, purity, and potency.
Pros:
- Non-GMO Project Verified
- Family-owned company with 50+ year track record
- Very low caffeine content (approximately 4mg)
- 180 capsules per bottle (6-month supply)
- Kosher and vegan certified
Cons:
- Lower EGCG per capsule than some competitors (200mg vs 300+mg)
- May need two capsules for therapeutic metabolic doses
Best for: Value seekers who prioritize trusted brands, third-party verification, and long-term affordability.
4. Zenwise Green Tea Extract with Vitamin C – Best with Vitamin C
Why it stands out: Zenwise pairs 725mg of green tea extract with 60mg of Vitamin C, which research suggests may enhance catechin absorption and prevent degradation in the digestive system—a scientifically-backed combination that maximizes what you absorb.
The combination of EGCG and Vitamin C isn’t just marketing—studies published in the journal Molecular Nutrition & Food Research indicate that ascorbic acid can help stabilize catechins and improve their bioavailability by protecting them from degradation in the alkaline environment of the intestines. Each capsule delivers the EGCG equivalent of approximately 6 cups of green tea, with the 98% polyphenol standardization ensuring potent antioxidant activity.
The formula also includes green coffee bean extract (25mg) for additional metabolic support without excessive caffeine. The combination provides synergistic thermogenic effects while keeping total caffeine content moderate. Zenwise products are AVA-certified vegan and produced in cGMP-certified facilities in the USA. The brand has earned a strong reputation for digestive health supplements and applies the same quality standards to their green tea line.
Pros:
- Vitamin C enhances EGCG absorption and stability
- High 725mg extract dose per capsule (98% polyphenols)
- Added green coffee bean extract for synergistic effects
- 120 capsules per bottle (2-4 month supply)
- AVA-certified vegan and allergen-free
Cons:
- Contains caffeine from both green tea and green coffee
- May be too stimulating for very caffeine-sensitive individuals
Best for: Those wanting enhanced bioavailability, additional immune support from Vitamin C, and synergistic metabolic ingredients.
5. Life Extension Decaffeinated Mega Green Tea Extract – Best Caffeine-Free
Why it stands out: Life Extension’s decaffeinated formula provides 725mg of green tea extract standardized to 98% polyphenols and 45% EGCG, delivering over 325mg of pure EGCG without the caffeine—one of the highest decaf doses available.
For those sensitive to caffeine or who take their supplements in the evening, this decaffeinated option delivers the full metabolic benefits of EGCG without stimulatory effects. Each capsule contains a maximum of 3.6mg of naturally occurring caffeine—less than half of what’s in a cup of decaf tea. This makes it suitable for those with caffeine restrictions, heart conditions, or who simply prefer to avoid stimulants.
Life Extension is known for science-backed formulations developed with input from medical professionals, and this extract has been a bestseller in their lineup for years. One capsule equals approximately 3 cups of regular green tea in terms of polyphenol content. The company provides Certificates of Analysis for every product batch, and their supplements undergo rigorous quality testing in ISO-certified laboratories. The vegetarian capsules are also non-GMO and gluten-free.
Pros:
- Near-zero caffeine content (max 3.6mg per capsule)
- 98% polyphenol standardization
- Over 325mg EGCG per capsule
- Can be taken any time of day without affecting sleep
- Science-backed company with 40+ year history
Cons:
- Higher price point than caffeinated alternatives
- Smaller bottle size (100 capsules vs 150-180)
Best for: Caffeine-sensitive individuals, evening supplementation, pregnant women seeking doctor-approved options, or those on caffeine-restricted diets.
6. EGCG Green Tea Extract High Potency Capsules – Best High-Potency
Why it stands out: With 500mg per capsule and a formula packed with polyphenols and catechins, this is one of the most concentrated standalone EGCG supplements available.
This super high-potency formula delivers a substantial EGCG dose in each capsule, making it ideal for those who want maximum catechin intake without taking multiple pills. The antioxidant-rich formula supports cellular health, metabolism, and overall wellness. Made in the USA with non-GMO ingredients. The concentrated formula means you can achieve therapeutic doses with just one capsule daily.
Pros:
- Very high potency per capsule
- Rich in polyphenols and catechins
- Made in the USA
- Non-GMO formula
Cons:
- Smaller bottle size (60 capsules)
Best for: Those who prefer fewer pills with maximum potency per serving.
7. EVL Thermogenic Pre Workout – Best for Workouts
Why it stands out: EVL combines green tea extract with a comprehensive thermogenic blend designed to enhance workout performance while supporting fat oxidation.
This isn’t your typical EGCG supplement—it’s a complete pre-workout formula that leverages green tea’s thermogenic properties alongside energy and focus ingredients. The combination is designed to increase calorie burn during exercise while providing clean energy without the crash. Ideal for those who want to maximize their workout efficiency and support metabolism during training sessions.
Pros:
- Combines EGCG with performance ingredients
- Supports energy, focus, and stamina
- Thermogenic blend enhances calorie burn
- Powder form for fast absorption
Cons:
- Contains stimulants—not suitable for caffeine-sensitive users
- More complex formula than pure EGCG
Best for: Active individuals who want metabolism support integrated into their pre-workout routine.
8. Women’s Fat Burner Gummies with Green Tea – Best Gummies for Women
Why it stands out: These gummies combine green tea extract with green coffee bean, garcinia cambogia, and ketones in a convenient, tasty format designed specifically for women.
Not everyone wants to swallow capsules, and these gummies make getting your daily EGCG enjoyable. The formula is tailored for women’s metabolism with a blend of ingredients that support fat burning and energy. The gummy format also means no stomach upset that some experience with concentrated capsules. Great-tasting and easy to remember as part of your daily routine.
Pros:
- Convenient and tasty gummy format
- Multi-ingredient metabolism support
- Formulated specifically for women
- Easy on the stomach
Cons:
- Lower EGCG concentration than capsules
- Contains added sugars for taste
Best for: Women who prefer gummies over pills and want a multi-ingredient metabolism formula.
9. EVL Night Time Fat Burner – Best for Nighttime
Why it stands out: This unique formula combines thermogenic green tea extract with sleep-supporting ingredients, allowing you to support metabolism even while you rest.
Most fat burners are stimulant-heavy and designed for daytime use, but this nighttime formula takes a different approach. It uses green tea’s thermogenic properties alongside ingredients that support restful sleep and overnight recovery. The idea is to support your metabolism around the clock without disrupting sleep quality. Contains lower caffeine levels than daytime thermogenics.
Pros:
- Supports metabolism during sleep
- Won’t disrupt sleep quality
- Dual-action formula (thermogenic + sleep support)
- Good for overnight recovery
Cons:
- Lower overall EGCG dose than daytime supplements
- Contains sleep-supporting ingredients that shouldn’t be used during the day
Best for: Those who want 24-hour metabolism support or prefer taking supplements at night.
10. Men’s Fat Burner Gummies with Green Tea – Best Gummies for Men
Why it stands out: This men’s-specific formula delivers green tea extract, green coffee bean, and garcinia cambogia in a convenient gummy format optimized for male metabolism.
Similar to the women’s version but formulated with men’s metabolic needs in mind, these gummies provide an easy way to incorporate EGCG into your daily routine. The combination of green tea with ketones and other fat-burning ingredients supports energy levels and metabolism throughout the day. The gummy format eliminates the need to swallow large capsules and makes supplementation something to look forward to.
Pros:
- Easy-to-take gummy format
- Formulated for men’s metabolism
- Multi-ingredient fat-burning support
- No pill-swallowing required
Cons:
- Lower EGCG concentration than capsule forms
- Contains added sugars
Best for: Men who dislike swallowing pills and want a convenient, multi-ingredient metabolism support formula.
What is EGCG and Who Should Take It?
EGCG (epigallocatechin gallate) is the most abundant and powerful catechin found in green tea, accounting for approximately 50-80% of green tea’s total catechin content. It’s a polyphenol compound that has been extensively researched for its antioxidant properties and its effects on metabolism, fat oxidation, and cellular health. Unlike other antioxidants, EGCG has the unique ability to cross the blood-brain barrier, providing neuroprotective benefits alongside its metabolic effects.
The compound works through multiple mechanisms to support metabolism. It inhibits an enzyme called catechol-O-methyltransferase (COMT), which normally breaks down norepinephrine. By keeping norepinephrine levels elevated, EGCG helps signal fat cells to break down stored fat. Additionally, EGCG appears to enhance the effects of fat-burning hormones like norepinephrine by making them more effective at mobilizing fatty acids from adipose tissue. Research published in the American Journal of Clinical Nutrition found that green tea catechins combined with caffeine significantly increased 24-hour energy expenditure and fat oxidation compared to caffeine alone.
EGCG supplements are particularly beneficial for individuals looking to support their metabolism, those who don’t enjoy drinking multiple cups of green tea daily, and anyone seeking concentrated antioxidant support. People following weight management programs, athletes looking to optimize body composition, and those interested in cellular health and longevity often find EGCG supplementation valuable. EGCG is also popular among those seeking cognitive support, as studies suggest it may help protect neurons and support healthy brain aging.
How to Choose the Right EGCG Supplement
Key Ingredients to Look For
The most important factor is EGCG standardization—look for products that clearly state the percentage of EGCG, ideally 45-50% or higher. Total polyphenol content matters too, with premium products offering 90-98% polyphenols. The catechin percentage is another quality indicator; look for extracts standardized to at least 50% catechins, with EGCG being the primary catechin present.
Some formulas include Vitamin C (ascorbic acid), which research suggests may improve catechin absorption and stability in the digestive system. Studies indicate that Vitamin C can prevent EGCG degradation in the intestinal environment, potentially increasing the amount that reaches your bloodstream. Other beneficial additions include black pepper extract (piperine) for enhanced bioavailability, though this is less common in green tea supplements.
The effective dose for metabolism support appears to be 400-500mg of EGCG daily based on clinical research. However, if you’re new to green tea supplements, starting with a lower dose (around 200mg EGCG) and gradually increasing allows your body to adjust and helps you assess tolerance.
Forms Compared
Capsules are the most common and offer precise dosing with good shelf stability. They’re convenient for travel and ensure you get a consistent amount of EGCG with each serving. Most quality EGCG supplements come in vegetarian or vegan capsule shells made from hypromellose (vegetable cellulose).
Gummies provide a convenient alternative for those who dislike swallowing pills but typically contain lower EGCG concentrations and added sugars for palatability. They’re great for compliance but may not deliver therapeutic doses without taking multiple gummies. Check the EGCG content per serving carefully when choosing gummies.
Powder forms offer flexibility in dosing and faster absorption but require measuring and often have an astringent, bitter taste. They’re ideal for adding to smoothies or shakes. Some powder products can also be mixed into pre-workout formulas for combined benefits.
For maximum potency, standardized capsule extracts typically deliver the best value and most consistent results.
What to Avoid
Steer clear of products that don’t disclose their EGCG or catechin percentages—this often indicates lower quality extracts with unpredictable potency. Avoid supplements with excessive fillers, artificial colors, titanium dioxide, or unnecessary additives. Some manufacturers use flow agents and fillers that take up space in the capsule, reducing the amount of active ingredients.
Be wary of proprietary blends that hide individual ingredient amounts behind terms like “green tea complex” or “thermogenic blend.” Without knowing exactly how much EGCG you’re getting, it’s impossible to ensure you’re reaching therapeutic doses.
If you’re caffeine-sensitive, check whether the product is decaffeinated or note the caffeine content per serving. Standard green tea extract can contain 2-4% caffeine by weight, meaning a 400mg extract capsule might contain 8-16mg of caffeine. Decaffeinated extracts contain less than 1mg per capsule.
Finally, avoid products that make unrealistic claims about rapid weight loss or “miracle” results. EGCG is a supportive supplement that works best alongside proper nutrition and exercise—it’s not a magic pill.
Side Effects and Precautions
Most people tolerate EGCG supplements well when taken with food, but some may experience mild digestive discomfort, nausea, or stomach upset—particularly when taking supplements on an empty stomach or at very high doses. These effects typically subside after the first few days as your body adjusts. Taking EGCG with a meal containing healthy fats can improve absorption while reducing gastrointestinal irritation.
The caffeine content in non-decaffeinated products can cause jitteriness, insomnia, rapid heartbeat, or anxiety in sensitive individuals. If you experience these effects, switch to a decaffeinated formula or take your supplement earlier in the day. Those with heart conditions, anxiety disorders, or caffeine sensitivity should exercise caution with caffeinated EGCG products.
High doses of EGCG (typically above 800mg daily) have been associated with liver concerns in rare cases, particularly when taken on an empty stomach or in fasted states. To minimize any potential risk, stay within recommended doses, take supplements with food, and avoid combining multiple green tea or EGCG products. If you experience symptoms like yellowing of the skin or eyes, dark urine, or severe abdominal pain, discontinue use and consult a healthcare provider immediately.
Pregnant or nursing women should avoid EGCG supplements unless specifically approved by their healthcare provider, as there’s limited safety data for these populations. Individuals with liver conditions, anemia, glaucoma, or bleeding disorders should consult a healthcare provider before supplementing. EGCG may interact with certain medications including blood thinners (warfarin), stimulants, MAO inhibitors, beta-blockers, and some chemotherapy drugs. If you take any prescription medications, discuss EGCG supplementation with your doctor or pharmacist before starting. Always take EGCG with food to minimize stomach irritation and improve absorption.
FAQs
How much EGCG should I take daily for metabolism support?
Research suggests 400-500mg of EGCG daily is effective for supporting metabolism and fat oxidation. Most quality supplements provide 200-400mg per capsule, so one to two capsules daily typically achieves therapeutic levels. Start with a lower dose to assess tolerance before increasing.
When is the best time to take EGCG supplements?
Take EGCG with meals to improve absorption and reduce the risk of stomach upset. If using for metabolism support, morning or early afternoon is ideal since many formulas contain caffeine. Decaffeinated versions can be taken any time, including evening.
How long does it take to see results from EGCG supplementation?
Most people notice increased energy within the first week or two. Measurable effects on metabolism and body composition typically require 8-12 weeks of consistent daily use combined with proper diet and exercise. EGCG works best as part of an overall healthy lifestyle, not as a standalone solution.
Can I take EGCG supplements if I’m sensitive to caffeine?
Yes—look for decaffeinated green tea extract products like Life Extension’s Decaf Mega Green Tea Extract. These provide full EGCG benefits with minimal caffeine (typically under 4mg per capsule). You can also take caffeinated versions earlier in the day to minimize sleep disruption.
Does EGCG interact with any medications?
EGCG can interact with blood thinners, stimulant medications, MAO inhibitors, and some chemotherapy drugs. It may also affect the absorption of certain medications if taken simultaneously. If you’re on any prescription medications, consult your healthcare provider before starting EGCG supplementation.
Is it better to drink green tea or take EGCG supplements?
Both have benefits. Drinking green tea provides EGCG along with L-theanine and the ritual of tea drinking. However, you’d need to drink 4-6 cups of green tea daily to match what one quality EGCG supplement capsule provides. Supplements offer convenience and precise dosing, while tea provides a gentler, more sustained release of catechins.
Final Verdict
For the best overall EGCG supplement, Zazzee Extra Strength Green Tea 20:1 Extract delivers unmatched potency with its 50% EGCG standardization and 98% polyphenol content—it’s the most concentrated option for serious metabolism support.
If you’re budget-conscious, NOW Foods EGCg Green Tea Extract offers excellent quality and third-party verification at an affordable price. For those sensitive to caffeine, Life Extension Decaffeinated Mega Green Tea Extract provides full catechin benefits without the stimulatory effects. And if you want enhanced absorption, Zenwise Green Tea Extract with Vitamin C combines EGCG with vitamin C for improved bioavailability.
