
The Truth About Men's Hair Growth Supplements
- ›Supplements help IF you are deficient. Otherwise they don't.
- ›Get blood work before spending money.
- ›Real food beats pills for almost every nutrient.
Supplement marketing preys on the desperation of hair loss. Here's what the evidence actually says.
Biotin
Effective for the small percentage of people genuinely deficient. Useless for the rest. Won't hurt you.
Saw palmetto
Some evidence for mild DHT-blocking effect. Weaker than finasteride, gentler side effect profile, real but modest results.
Iron and vitamin D
Actual deficiency in either causes shedding. Test first, supplement only if low.
Marine collagen, gummies, 'complexes'
Mostly marketing. If you enjoy them, fine — but they aren't moving the needle unless they're just correcting a deficiency you also could fix with a $5 vitamin.

Gold Standard Shampoo — a strong topical base beats most supplement stacks.
Frequently Asked Questions
Can biotin cause acne?+
In some men, at high doses, yes. Stick to recommended amounts.
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