Amazon Elements Vegan Biotin 5000 mcg for Hair, Skin, and Nails, 130 Capsules, 4 Month Supply (Packaging may vary)

Customers report positive results with this biotin supplement, noting improved hair growth, faster beard growth, and rock-hard nails. The supplement is easy to swallow and offers good value for the price, with one customer mentioning it's worth it for twice the dosage. While some customers report improved skin health, others experienced acne breakouts.