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He has been a member of the teaching faculty for students at Chicago Medical School and has been featured on ABC, FOX, USA Today, Chicago Tribune, and Forbes as a recognized authority in wellness, fitness & nutrition, weight loss, anti-aging, hormones & metabolic medicine, holistic medicine, lifestyle coaching and womens & mens health

Effects of intravenously administered vitamin B12 on sleep in the rat

Normal Ranges of B12 in the Blood The normal range for vitamin B12 in the blood is between 200 and 900 nanograms per millilitre (ng/ml)

g = mcg = microgram = 1/1,000 of a milligram (mg) For food labels in the United States, in March of 2020, the Daily Value for B12 was lowered from the 1968 RDA of 6 g to the current RDA of 2.4 g

Cellular Energy and Longevity An in-depth review of NAD+ (nicotinamide adenine dinucleotide) research covering its role in cellular energy metabolism, DNA repair, sirtuin biology, and ageing research