Of course, you can fake volume and hair growth with an arsenal of hair sprays, creams, gels and extensions. But, if you want to get longer, thicker hair for real, you need to start from the inside. Enter: hair supplements. 

Collagen, Vitamin D, zinc and iron are all closely related to helping your hair grow, so if you’re not getting enough of these, your hair strength, length and health may be affected.

Nutritional deficiencies are a known cause of hair loss and may include inadequate intake of proteins, minerals, essential fatty acids, and vitamins.

That’s where the latest hair growth products come into play. Enriched with all of the hair vitamins and minerals you need for stronger, healthier hair, these pills, capsules and liquids can help put back what you’re most likely missing.

But, do hair supplements really work?