The 18 Best Hair Growth Vitamins for Longer, Stronger Hair

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Best Supplement For Fine Hair

Vital Proteins

Hair Boost

Pros: Gluten-free

This hair supplement from one of our favorite collagen brands is designed to help thicken fine hair in as little as two weeks. Its blend of vitamins and minerals, including zinc, biotin, amino acids, and saw palmetto extract is ideal for targeting hair loss.

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