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Director of IV Vitamin Therapy Susan Diaz-Giraldo, AGACNP-BC, MS, RN, CEN Susan Diaz-Giraldo is an Adult-Gerontology Acute Care Nurse Practitioner Board Certified by the American Nurses Credentialing Center
Oxidative medicine and cellular longevity, 2012(1), 324832.
2013;5(209):209ra151
When taken orally, metformin is concentrated in the intestine at levels up to 300 times greater than in the blood, significantly influencing the composition and metabolism of the gut microbiota [16]
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