Nature's Bounty Biotin Hair Skin and Nails Vitamins, Supports Healthy Hair, Skin and Nails, 10,000 mcg, 120 Softgels (Pack of 1)
$8.88 (as of December 4, 2025 19:08 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)Vitamin D Basics
Known for bone health, Vitamin D also modulates immune response and brain function.
Immune System Support
Low vitamin D is linked to increased respiratory infections; supplementation may reduce risk.
Mental Health Connections
Some studies suggest vitamin D supports mood and cognitive health, though evidence is evolving.
Supplementation Guidelines
Typical doses range from 600-2000 IU daily; monitor blood levels for optimal dosing.
