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Who should check with a provider first If you are pregnant, nursing, or take regular medications, talk to a provider before starting
Excess B12 does not generally cause direct harm to the kidneys or liver in people with healthy organs
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Recommended Daily Dosage by Age Group: Adults (10+ years): 30-100 mcg Pregnant/Breastfeeding: 35 mcg Children 7-10 years: 30 mcg Children 4-6 years: 25 mcg Children 0-3 years: 10-20 mcg Important Notes: FDA has no official upper limit due to biotins rarity as a deficiency Dosage varies by age, sex, health condition Maximum safe dose for women: 30 g daily Supplements can interfere with lab tests Biotin injections (by medical professionals only) may accelerate hair growth Bottom Line: Always consult a specialist before starting high-dose biotin therapy
