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Vitamin B7 (Biotin): Promotes the health of hair, skin, and nails
One practical consideration: higher-concentration solutions (2000mcg/mL or above) increase the risk of peptide aggregation during long-term storage, so unless your protocol specifically requires minimal injection volumes, a 1000mcg/mL concentration is the safer choice for multi-week studies
10.1016/j.scitotenv.2004.01.019 27 HatfieldD.BerryM.GladyshevV
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