High dose biotin, such as 2500mcg, is likely safe during breastfeeding because it has such a wide safety margin in humans. Maternal vitamin D supplement of 400-2000 units is associated with an average breastmilk level of 50-80 units per Liter.
Similarly one may ask, how much biotin is safe while breastfeeding?
At present, the dietary requirement for biotin is unknown and intake recommendations are provided as Adequate Intakes (AIs). The biotin AI for adults and pregnant women is 30 ?g/d, whereas 35 ?g/d is recommended for lactating women.
Furthermore, does biotin stop postpartum hair loss? A proper diet can help decrease postpartum hair loss. Biotin along with vitamins A, C, D, E, and zinc have been shown to be beneficial.