Regarding weight management , NHS guidance is unequivocal: B12 supplementation is not recommended as a weight loss intervention
The math works out to between 4 and 25 milligrams of AHK-Cu per milliliter of final product, depending on target concentration
The FDA explains that compounded drugs are not FDA-approved , meaning the agency does not verify their safety, effectiveness, or quality before marketing (see Compounding and the FDA: Questions and Answers )
According to the 2.4 micrograms (mcg) daily for ages 14 years or older 2.6 mcg daily for pregnant people 2.8 mcg daily for people who are breastfeeding or nursing It may be possible to get enough vitamin B12 from foods
This approach ensures that each client receives the appropriate dosage and combination of nutrients to benefit them the most
In UK, NHS tends to use hydroxycobalamin and I think doctors in US often use cyanocobalamin