Search & Compare Supplements - by Bioavailability
We grade nutrient forms to reveal true absorption — not just milligrams.
Nutrafol Women’s Hair Growth, 120 Capsules — a drug-free, multi-targeting hair supplement for women 18–44 that addresses stress, DHT, and micro-inflammation via two proprietary blends (Synergen Complex® + Nutrafol® Blend). The formula includes 2 chelated minerals out of 3 - Zinc (Amino Acid Chelate) and Selenium (L-Selenomethionine) - plus Iodine from organic kelp to help cover common nutrient gaps. Take 4 capsules with a meal daily. * ✳️ Sub-ingredient doses are proprietary.
Key Ingredients
| Ingredient | Amount | Bioavailability |
|---|---|---|
| Protein | 1 g | Variable |
| Vitamin A | 1500 mcg RAE | Medium |
| Vitamin C | 100 mg | High |
Nature’s Way Alive! Men's Ultra Multivitamin ⚠️ is marketed as an "ultra-complex" multivitamin designed specifically for men, but realistically blends basic vitamins and minerals with numerous marketing-focused ingredient blends in negligible doses. Almost all proprietary blends have very low bioavailability 📉, thus failing to deliver claimed health benefits. Essential minerals for men's health, such as zinc, selenium, and folate, are presented in inexpensive and less effective forms. The supplement is safe but ineffective, making it overpriced compared to basic alternatives. ❌
Key Ingredients
| Ingredient | Amount | Bioavailability |
|---|---|---|
| Vitamin A | 1,350 mcg | Up. Medium |
| Vitamin C | 203 mg | High |
| Vitamin D | 50 mg | High |
MaryRuth’s Liquid Morning Multivitamin + Hair Growth is a liquid vitamin complex specifically formulated to improve hair and skin health. Its key feature is the patented Lustriva® complex (160 mg), which contains highly soluble Magnesium Biotinate (a form of biotin that's 40× more soluble than standard biotin) combined with arginine silicate, promising enhanced hair growth and skin improvement. ✨ However, the formula contains extremely high doses of biotin and chromium, while providing only minimal amounts of zinc, MSM, and amino acids—making these ingredients practically symbolic. The cost per serving (~$2.18) is roughly double that of typical liquid multivitamins, justified primarily for those with noticeable hair issues. 💰
Key Ingredients
| Ingredient | Amount | Bioavailability |
|---|---|---|
| Vitamin A | 1,010 mcg | Medium |
| Vitamin C | 90 mg | High |
| Vitamin D | 20 mcg (800 IU) | High |
ADAM Superior Men’s Multi condenses high-potency vitamins and Albion® chelated minerals with men-focused actives—saw palmetto, lycopene, alpha-lipoic acid, CoQ10, resveratrol and grape-seed extract—into a single daily tablet that targets energy, cardiovascular and prostate support while avoiding excess fillers.
Key Ingredients
| Ingredient | Amount | Bioavailability |
|---|---|---|
| Vitamin A | 1,500 mcg | Medium |
| Vitamin C | 125 mg | High |
| Vitamin D | 12.5 mcg (500 IU) | Medium |
EVE Superior Women’s Multi blends high-potency vitamins, Albion® minerals and women-specific botanicals—cranberry, alpha-lipoic acid, CoQ10, dong quai, chasteberry, wild yam, soy isoflavones, plus superfruits like pomegranate, acai and mangosteen—into three tablets that deliver comprehensive energy, bone, antioxidant and hormone support while supplying 100 % DV of gentle Ferrochel® iron.
Key Ingredients
| Ingredient | Amount | Bioavailability |
|---|---|---|
| Vitamin A | 3,000 mcg | Medium |
| Vitamin C | 300 mg | High |
| Vitamin D | 25 mcg (1,000 IU) | Medium |