Question by jcionci24: why do some vitamin supplements cause hair loss?

some of the guys i work out with take supplements like testosterone boosters from gnc. ive read and heard they can cause hair loss as a side effect. why does this happen? and how could i stop it?

Best answer:

Answer by dmspartan2000
Testosterone boosters do not – in and of themselves – cause excessive hair loss. Unless you have a genetic disposition for baldness – which means unless one or both of your granddads was bald – you are not going to lose any more hair than is normal for you to do so.

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