Best Vitamins That Increase Appetite For Adults
Loss of appetite can significantly impact your overall health, energy levels, and quality of life. Whether due to stress, illness, aging, or nutritional deficiencies, a reduced desire to eat makes it challenging to maintain proper nutrition. Fortunately, specific vitamins and supplements can help restore healthy appetite signals by addressing underlying deficiencies and supporting metabolic function. In this guide, we’ll review the best appetite-boosting vitamins backed by research and user experiences.
Our Top Picks at a Glance
- Best Overall: Nature Made Super B Complex — Complete B-vitamin support for energy metabolism
- Best Value: Nature’s Bounty Vitamin B12 — Affordable energy and appetite support
- Best Premium: Garden of Life Vitamin Code B-Complex — Raw, whole-food based formula
Quick Comparison
| Product | Key Ingredients | Form | Servings | Best For |
|---|---|---|---|---|
| Nature Made Super B Complex | All 8 B vitamins | Tablets | 140 | Overall energy support |
| Nature’s Bounty B12 | 1000mcg B12 | Tablets | 200 | Budget-friendly option |
| Garden of Life B-Complex | Raw whole food B vitamins | Capsules | 60 | Organic ingredients |
| NOW Foods Zinc Picolinate | 50mg zinc | Capsules | 120 | Taste and smell support |
| Nordic Naturals Omega-3 | EPA & DHA | Softgels | 60 | Anti-inflammatory benefits |
| Nature Made Vitamin D3 | 2000 IU D3 | Softgels | 100 | Mood and appetite regulation |
| NGL Appetite Booster | B vitamins, zinc, iron | Liquid | 16 oz | Comprehensive appetite support |
1. Nature Made Super B Complex — Best Overall
No products found.
Nature Made Super B Complex delivers all eight essential B vitamins in a single, convenient tablet to support energy metabolism and help restore healthy appetite.
This comprehensive formula includes thiamine, riboflavin, niacin, B6, B12, folic acid, biotin, and pantothenic acid. B vitamins play crucial roles in converting food into energy, and deficiencies in B1 and B12 are particularly associated with appetite loss. Each tablet provides high-potency doses to address common deficiencies that contribute to reduced food intake.
What We Like
- Contains all eight B vitamins for comprehensive support
- USP verified for quality and purity
- Helps convert food into cellular energy
- Addresses multiple B-vitamin deficiencies at once
- Gluten-free and no artificial flavors
What Could Be Better
- Tablets are somewhat large for some users
- May cause nausea if taken on an empty stomach
Bottom Line: Nature Made Super B Complex is an excellent all-in-one solution for addressing B-vitamin deficiencies that impact appetite and energy levels.
2. Nature’s Bounty Vitamin B12 1000mcg — Best Value
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An affordable, high-potency B12 supplement that supports energy production and can help restore appetite in those with deficiency.
Vitamin B12 is essential for energy metabolism and red blood cell production. Research shows that supplementing with B12 enhances appetite in individuals with deficiency, particularly elderly adults who often struggle with absorption. This formula provides 1000mcg per tablet, well above the daily requirement, ensuring adequate intake even with absorption challenges.
What We Like
- Excellent value with 200 tablets per bottle
- High-potency 1000mcg dose
- Supports energy levels and mood
- Easy to swallow tablets
- Quality-tested for purity
What Could Be Better
- Contains only B12, not the full B-complex
- Some users prefer sublingual or methylcobalamin forms
Bottom Line: For those specifically needing B12 supplementation to boost appetite and energy, this offers exceptional value and potency.
3. Garden of Life Vitamin Code Raw B-Complex — Best Premium
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A raw, whole-food based B-complex that provides naturally occurring B vitamins alongside probiotics and enzymes for enhanced absorption.
This premium formula stands out by delivering B vitamins from raw, whole-food sources rather than synthetic isolates. It includes a blend of 23 organically grown fruits and vegetables plus probiotics and enzymes that support digestion and nutrient absorption. The whole-food approach may be gentler on the stomach and better utilized by the body, making it ideal for those with sensitive digestion or absorption issues.
What We Like
- Raw, whole-food based B vitamins
- Includes probiotics and digestive enzymes
- Certified organic and non-GMO
- Vegan and gluten-free
- Gentler on sensitive stomachs
What Could Be Better
- Higher price point than synthetic options
- Requires two capsules per serving
Bottom Line: If you prefer whole-food nutrition and want the benefits of probiotics alongside your B vitamins, this premium option delivers comprehensive support.
4. NOW Foods Zinc Picolinate 50mg — Best for Taste Restoration
- One (1) 120 count bottle of Jarrow Formulas Jarro-Dophilus EPS Probiotic Digestion Supplement Veggie Capsules for a 60-day supply
- Probiotics for gut health and immune health dietary supplement with 10 billion CFU from eight clinically studied strains to provide daily intestinal tract health support and help maintain gut balance*
- Blister-packed Jarro-Dophilus probiotics featuring proprietary Enteroguard coating to protect the friendly bacteria in each capsule from stomach acid for daily gut balance*
- Suggested Use: Adults take 2 capsules once a day with water or juice, preferably on an empty stomach, or as directed by your qualified healthcare professional
- These statements have not been evaluated by the Food and Drug Administration; this product is not intended to diagnose, treat, cure, or prevent any disease
High-potency zinc picolinate to restore taste and smell perception, directly influencing appetite and food enjoyment.
Zinc is essential for maintaining normal taste and smell function. Deficiency dulls these senses, making food less appealing and reducing the desire to eat. Zinc picolinate is a highly absorbable form that helps correct deficiency efficiently. By restoring proper taste and smell, this supplement can make eating more enjoyable and stimulate natural hunger signals.
What We Like
- Highly bioavailable picolinate form
- Strong 50mg dose for correcting deficiency
- Supports immune function alongside appetite
- Vegan capsules
- Free from common allergens
What Could Be Better
- High dose may cause nausea without food
- Should not be taken long-term without monitoring
Bottom Line: For those whose appetite loss stems from diminished taste and smell, zinc picolinate provides targeted support to restore sensory function.
5. Nordic Naturals Ultimate Omega — Best Fish Oil
- IMMUNE, MOOD, BONE & MUSCLE SUPPORT*: Vitamin D supports healthy bones, muscle function, and a strong immune system.*
- NATURALLY-SOURCED, NON-GMO: These Vitamin D3 immune support and bone health supplements* are formulated with a naturally-sourced vitamin D3 ingredient, and are gluten-free and non-GMO. Packaging may vary due to high demand, same great product and ingredients.
- IN ORGANIC COLD-PRESSED OLIVE OIL: NatureWise Vitamin D3 is formulated with organic, cold-pressed olive oil that doesn't use heat or hexanes, to enhance the absorption of vitamin D3.*
- CONTENTS CERTIFIED NSF: This supplement is NSF-contents certified, which means its contents are thoroughly tested for accuracy and purity. Ingredients are also analyzed for this certification to confirm they match label contents.
- USA MANUFACTURED, 3RD PARTY TESTED: All NatureWise supplements are proudly manufactured the USA in facilities that comply to the strictest cGMP standards and undergo rigorous testing by third party labs to ensure the highest quality and purity.
High-concentration omega-3 fish oil that may help stimulate appetite while reducing inflammation and supporting overall health.
Studies suggest that omega-3 fatty acids from fish oil can increase appetite and minimize feelings of fullness after meals in healthy adults. Beyond appetite support, omega-3s provide anti-inflammatory benefits and support cardiovascular and brain health. This formula delivers 1280mg of omega-3s per serving in highly purified, concentrated form.
What We Like
- High concentration of EPA and DHA
- Molecular distillation removes contaminants
- Lemon flavored to minimize fishy taste
- Third-party tested for purity
- Supports heart and brain health
What Could Be Better
- Larger softgels may be difficult to swallow
- Premium pricing compared to standard fish oils
Bottom Line: Nordic Naturals provides pharmaceutical-grade fish oil that supports appetite while delivering comprehensive omega-3 benefits.
6. Nature Made Vitamin D3 2000 IU — Best for Mood Support
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High-potency vitamin D3 to address deficiency-related depression and appetite loss while supporting bone and immune health.
Vitamin D deficiency is linked to depression and loss of appetite. Often called the sunshine vitamin, D3 helps regulate mood and supports immune function. Many adults, especially those in northern climates or who spend limited time outdoors, are deficient. This formula provides 2000 IU per softgel, an effective dose for correcting deficiency and maintaining optimal levels.
What We Like
- Effective 2000 IU dose
- D3 form for superior absorption
- USP verified quality
- Small, easy-to-swallow softgels
- Supports mood, bones, and immunity
What Could Be Better
- Contains soybean oil
- May need higher doses for severe deficiency
Bottom Line: For those whose appetite loss is connected to low mood or vitamin D deficiency, this provides reliable supplementation to restore optimal levels.
7. NGL Appetite Booster Liquid Supplement — Most Comprehensive
A comprehensive liquid formula specifically designed to stimulate appetite with B vitamins, zinc, iron, amino acids, and flaxseed oil.
This targeted appetite booster combines multiple nutrients known to support healthy eating patterns. The liquid format allows for easier absorption and can be mixed with juice for those who struggle with pills. It includes the full spectrum of B vitamins, minerals like zinc and iron that commonly affect appetite when deficient, and essential amino acids needed for tissue building. The formula is fortified specifically to promote healthy digestion, red blood cell production, and energy metabolism.
What We Like
- Comprehensive formula targeting appetite specifically
- Liquid form for enhanced absorption
- Contains B vitamins, zinc, iron, and amino acids
- Can be mixed with juice or beverages
- Includes flaxseed oil for healthy fats
What Could Be Better
- Strong vitamin taste may be unpleasant for some
- Can cause mild flushing or nausea initially
Bottom Line: For those seeking a targeted, all-in-one appetite solution in liquid form, this comprehensive formula addresses multiple nutritional factors affecting hunger.
8. Thorne Research Thiamine — Best B1 Supplement
No products found.
Pure vitamin B1 supplement to address thiamine deficiency, which directly causes appetite loss and reduced food cravings.
Thiamine deficiency is associated with reduced appetite and increased resting energy expenditure that promotes unhealthy weight loss. This supplement provides 100mg of pure thiamine per capsule, allowing for targeted supplementation if B1 deficiency is suspected. Thorne Research is known for using high-quality ingredients and rigorous testing standards.
What We Like
- Pure, high-quality thiamine
- NSF Certified for Sport
- Free from gluten, dairy, and soy
- Effective dose for correcting deficiency
- Trusted brand with third-party testing
What Could Be Better
- More expensive than generic options
- Only provides B1, not full B-complex
Bottom Line: If testing reveals specific B1 deficiency or you want targeted thiamine supplementation, this high-quality option delivers reliable results.
9. Gaia Herbs Turmeric Supreme Extra Strength — Best Anti-Inflammatory
- Aramid-reinforced E6 series earset snap-on cable is already the best value in terms of comfort, sound quality and appearance^Fits Audio Technica transmitter model ATW-U101 and TA5F connector^E6 cable is not interchangeable^Cables quickly and securely snap into all E6 series earsets to link the mic to the wireless system^Available in black color; measures 1-mm diameter
Turmeric with black pepper extract to reduce inflammation that may suppress appetite while supporting digestive health.
Chronic inflammation can suppress appetite and make eating uncomfortable. Turmeric contains curcumin, a powerful anti-inflammatory compound that supports digestive health and may help restore normal appetite signals by reducing inflammatory responses in the body. The addition of black pepper extract enhances curcumin absorption significantly.
What We Like
- Concentrated turmeric extract
- Includes black pepper for enhanced absorption
- Supports digestive health
- Vegan liquid phyto-caps
- Made from organic turmeric
What Could Be Better
- May cause digestive upset in sensitive individuals
- Should be avoided if taking blood thinners
Bottom Line: For those whose appetite loss stems from inflammation or digestive discomfort, this anti-inflammatory formula supports gut health and may help normalize eating patterns.
10. Life Extension Super K — Best Vitamin K Supplement
No products found.
Comprehensive vitamin K formula supporting bone health and calcium metabolism, which indirectly supports overall nutritional status.
While not directly an appetite stimulant, vitamin K plays important roles in bone health and proper calcium utilization. Maintaining strong nutritional status across all essential vitamins supports overall health and wellbeing, which can positively influence appetite and eating patterns. This formula provides multiple forms of vitamin K for comprehensive support.
What We Like
- Contains multiple forms of vitamin K
- Supports bone and cardiovascular health
- Small, easy-to-swallow softgels
- Non-GMO and gluten-free
- High-quality formulation
What Could Be Better
- Contraindicated with certain blood thinners
- More specialized than general appetite support
Bottom Line: While not a direct appetite stimulant, vitamin K supports overall nutritional health that contributes to proper metabolic function and wellbeing.
How to Choose Vitamins to Increase Appetite
Selecting the right appetite-boosting vitamins requires understanding your specific needs and the underlying cause of reduced appetite. Begin by considering whether you have a diagnosed deficiency. Blood tests can reveal low levels of B12, vitamin D, or zinc, which are common culprits behind appetite loss. If you have confirmed deficiencies, targeted supplementation of those specific nutrients will likely be most effective.
Form matters when choosing supplements. Liquid vitamins may absorb more quickly and work better for those with digestive issues or difficulty swallowing pills. However, capsules and tablets offer convenience and longer shelf life. If you struggle with nausea, look for supplements that can be taken with food or choose whole-food based formulas that tend to be gentler on the stomach.
Consider comprehensive formulas versus single nutrients. B-complex supplements address multiple B vitamins at once, which is beneficial since these vitamins work synergistically. However, if blood work shows you’re only deficient in one nutrient, a targeted supplement may be more appropriate and cost-effective. Pay attention to dosage as well. Higher potency formulas like 1000mcg B12 or 50mg zinc are useful for correcting deficiency but may be unnecessary for maintenance.
Quality and purity should guide your selection. Look for supplements that are third-party tested, preferably with USP, NSF, or similar certifications. These ensure the product contains what it claims without harmful contaminants. Avoid supplements with unnecessary fillers, artificial colors, or allergens that might trigger digestive discomfort and worsen appetite issues.
Finally, think about your lifestyle and preferences. If you prefer organic and natural options, whole-food based supplements may align better with your values. If budget is a concern, high-quality generic brands often provide excellent value. Consider how the supplement fits into your daily routine. If you already take multiple medications, you may want a comprehensive multivitamin to simplify your regimen rather than adding multiple individual supplements.
Benefits of Appetite-Boosting Vitamins
Vitamins that support healthy appetite offer benefits that extend far beyond simply increasing hunger. These nutrients play fundamental roles in energy metabolism, helping your body efficiently convert food into usable energy. When you have adequate levels of B vitamins, particularly B1, B6, and B12, your cells can properly metabolize carbohydrates, fats, and proteins. This improved energy production naturally supports appetite by reducing fatigue and making you feel more energized and ready to eat.
Deficiency correction is perhaps the most direct benefit. When loss of appetite stems from insufficient nutrients, supplementation can restore normal hunger signals relatively quickly. Zinc deficiency impairs taste and smell, making food unappealing. Vitamin D deficiency contributes to depression and low energy, which suppress appetite. B12 deficiency causes fatigue and mood changes that reduce interest in eating. Addressing these deficiencies allows your body to function optimally and regain natural appetite regulation.
Mental health and mood support represent another crucial advantage. Several appetite-related vitamins influence neurotransmitter production and brain function. Vitamin D affects serotonin levels, which regulate mood and appetite. B vitamins support the production of neurotransmitters like dopamine and serotonin. Omega-3 fatty acids provide anti-inflammatory benefits that support brain health. When your mental state improves, interest in eating typically follows, as depression and anxiety are common causes of appetite loss.
Enhanced digestive function comes with many appetite-boosting nutrients. B vitamins support healthy digestion and help your body break down food properly. Zinc aids in the production of digestive enzymes. When digestion improves, eating becomes more comfortable and less associated with bloating or discomfort, naturally encouraging better appetite. Some formulas include additional digestive support like probiotics or enzymes that further enhance this benefit.
Frequently Asked Questions
How long does it take for appetite vitamins to work?
Most people notice improvements in appetite within two to four weeks of consistent supplementation, though results vary depending on the severity of deficiency and individual factors. B12 injections may work faster than oral supplements, sometimes showing effects within days. Zinc typically takes two to three weeks to restore taste and smell function. Vitamin D requires longer, often six to eight weeks, to correct deficiency and improve mood-related appetite changes. For best results, take supplements daily as directed and be patient, as nutritional repletion takes time.
Can I take multiple appetite-boosting vitamins together?
Yes, most appetite-supporting vitamins can be taken together safely, and many work synergistically. B-complex vitamins work together in energy metabolism. Vitamin D and K work together for bone health. However, high doses of zinc can interfere with copper absorption, and excessive vitamin A can be toxic. If taking multiple supplements, consider a comprehensive multivitamin to avoid excessive dosing of any single nutrient. Always inform your healthcare provider about all supplements you’re taking to check for potential interactions with medications.
Are there any side effects from appetite vitamins?
Most appetite vitamins are safe when taken as directed, but side effects can occur. B vitamins may cause nausea, especially on an empty stomach, and can produce bright yellow urine. High-dose zinc can cause stomach upset and nausea. Fish oil may cause fishy aftertaste or loose stools. Vitamin D toxicity is rare but possible with extremely high doses over time. Start with recommended doses, take supplements with food if they cause stomach upset, and don’t exceed suggested amounts without medical supervision.
Do I need a prescription for appetite stimulant vitamins?
No, the vitamins discussed for appetite support are available over the counter. Pharmaceutical appetite stimulants like megestrol and dronabinol do require prescriptions, but nutritional supplements like B vitamins, zinc, vitamin D, and fish oil can be purchased without a prescription. However, you should consult a healthcare provider before starting supplementation, especially if you have underlying health conditions or take medications. Blood tests can determine if you have deficiencies that would benefit from targeted supplementation.
What foods naturally contain appetite-boosting vitamins?
B vitamins are found in whole grains, meat, eggs, dairy products, leafy greens, and legumes. Vitamin D comes from fatty fish, egg yolks, and fortified dairy products, plus your body produces it from sun exposure. Zinc is abundant in oysters, red meat, poultry, beans, nuts, and whole grains. Omega-3 fatty acids are in fatty fish like salmon, sardines, and mackerel, plus walnuts and flaxseeds. Eating a varied, nutrient-dense diet provides these vitamins naturally, though supplementation may still be needed if deficiency exists or absorption is impaired.
Can vitamins replace appetite stimulant medications?
Vitamins may help improve appetite in cases where deficiency is the underlying cause, but they aren’t substitutes for prescription appetite stimulants in all situations. If appetite loss results from serious illness, cancer treatment, or severe medical conditions, prescription medications specifically designed to stimulate appetite may be necessary. However, vitamins offer a gentler first approach with fewer side effects for mild to moderate appetite issues. Work with your healthcare provider to determine if nutritional supplementation is appropriate or if prescription intervention is needed.
Should seniors use different appetite vitamins than younger adults?
Seniors often have different nutritional needs and absorption capacities. Older adults frequently have B12 absorption issues due to decreased stomach acid production, making sublingual or high-dose B12 supplements more appropriate. Vitamin D deficiency is more common in seniors due to reduced sun exposure and decreased skin synthesis. Seniors may also need higher doses to achieve the same blood levels as younger people. Additionally, seniors are more susceptible to drug-nutrient interactions, making it especially important to consult healthcare providers before starting supplements.
Can appetite vitamins help with weight gain?
Appetite vitamins primarily work by correcting deficiencies and restoring normal hunger signals rather than directly causing weight gain. However, when appetite improves, you naturally consume more calories, which can lead to weight gain if that’s your goal. For healthy weight gain, combine appetite-supporting vitamins with increased caloric intake from nutrient-dense foods and consider adding protein supplements. If unexplained weight loss continues despite improved appetite, consult a healthcare provider to rule out underlying medical conditions.
