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The most clinically studied hair growth supplement. AminoMar marine complex has multiple published RCTs showing statistically significant but modest improvements in hair count and thickness over 3-6 months. Better evidence than Nutrafol and half the price, but still modest results for the cost.
Viviscal earns the best evidence score among women's hair supplements due to its relatively extensive clinical trial program. The AminoMar complex has been directly studied in the product form. At half the price of Nutrafol with better evidence, it represents better value in the hair supplement category. Moderate hype penalty for overstating what 'clinically proven' means when effect sizes are modest. Still expensive for what it delivers.
Viviscal Women's has the largest published clinical trial base among hair growth supplements. Multiple randomized, double-blind, placebo-controlled studies have demonstrated statistically significant improvements in hair count and thickness. The proprietary AminoMar marine complex (shark cartilage + oyster extract) has been directly studied rather than extrapolated from individual ingredients. A 2015 RCT (n=60) and 2012 study showed significant hair growth versus placebo. Evidence is more robust than Nutrafol but effect sizes remain modest compared to minoxidil.
| Ingredient | Dose | Verdict |
|---|---|---|
| AminoMar Marine Complex | Proprietary (500mg blend) | Adequate |
| Biotin | 120mcg | Underdosed |
| Vitamin C | 30mg | Underdosed |
| Iron (Ferrous fumarate) | 10mg | Adequate |
Why the true cost is higher
This product has 2 underdosed and 0 unknown-dose ingredients. To actually get clinically effective doses, you would need approximately 2.5 servings per day -- making your real cost $3.33 per effective dose instead of the listed $1.33.
Save $97.50/month (98%)
by switching to NOW Foods Biotin 10,000mcg
AminoMar complex is proprietary -- exact composition undisclosed. Results are statistically significant but clinically modest. $1.33/day for 3-6 months before visible results. Not effective for androgenetic alopecia (pattern baldness). Contains fish-derived ingredients (not for vegans). Effect sizes do not compete with minoxidil.
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