If they dont work well, B12 can build up and cause problems
At that concentration, a 300 mcg dose is about 0.18 mL (18 units on a U-100 syringe) and a 500 mcg dose is about 0.30 mL (30 units)
200-250 pounds (90-113kg): Consider 450-500mcg daily
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If you'd rather have a trained professional administer your B12 shots in a clean, comfortable clinical setting, the team at ThinWorks is here to help
B-vitamin supplementation may slightly reduce risk of stroke, but these benefits may not be seen in patients with chronic kidney disease