PRECAUTION: Always consult a physician if you are pregnant, lactating or with a history of medical condition before using
Odegaard AO, Koh WP, Yuan JM, Gross MD, Pereira MA
Long-term use of metformin and its effect on serum vitamin B12 with its oral manifestations: a review
Youre supporting a molecule it already relies on, one whose production tends to decline with age, chronic stress, poor nutrition, and certain health conditions
PMID: 239 SinhaLJainSKChoudharyR
Bioavailability differences between delivery methods are significant, with injectable applications achieving tissue concentrations 10-20 times higher than topical applications