can b12 injections help with weight loss Vitamin and Loss: How Does it Work? B12 Shots for Weight Loss:
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Finasteride is the most commonly prescribed DHT blocker for hair loss and is FDA-approved for this use

The time it takes to feel refreshed after receiving a B12 shot can vary depending on your individual health, lifestyle, and the severity of your deficiency
Neelakantan H, Brightwell CR, Graber TG, et al

He continued to say that for people with B12 deficiency, parenteral supplementation (ie not through the mouth/digestive system) therefore is a useless and expensive treatment, and if you still want it the NHS should not pay for it, you should pay for it yourself
