how quickly does a b12 injection take to work Shot Work? What Expect Feeling worse after B12 Injection:

Here are some of the vitamin B12 supplements your doctor may give you: Vitamin B12 injections (typically, 1 to 2 mg of hydroxocobalamin injected into your muscles every other day for two weeks) Vitamin B12 tablets (once your levels are stabilized) Folate (your body needs folate to process vitamin B12 and vice versa) L-methionine (B12, folate, and L-methionine work together) Your doctor may also want to check to see if you need other treatments because of a problematic immune response or another deficiency

Adding lipotropic injections or GLP-1 treatments can accelerate this rate under medical supervision

Taking B12 capsules when youre not deficient can lead to side effects, have virtually no benefits, and just be a waste of $$$

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& Tachi, S