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Both forms are used exclusively in research settings and are not interchangeable without consideration of experimental design
12 weeks 8 vials Covers a 4-week 300 mcg phase plus 8 weeks at 500 mcg
Biotin is also involved in the maintenance of healthy hair, skin and nails
Mild bruising or soreness at the injection site may occur
Product great
It seems you may need high B12 supplementation and to stop any folate supplements for a while
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