Niacinamide, nke a makwaara dị ka vitamin B3, bụ ihe dị ike na nlekọta anụ ahụ na ịdị mma. Vitamin a na-agbaze mmiri abụghị naanị mkpa maka ahụike zuru oke, mana ọ na-enyekwa ọtụtụ uru na akpụkpọ ahụ. Ma ejiri ya mee ihe na nlekọta anụ ahụ ma ọ bụ were ya na mgbakwunye, niacinamide nwere ike inyere m aka ...
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