For this reason, B12 shots are sometimes used to offset the many symptoms of vitamin B12 deficiency, such as fatigue and weakness, poor moods, and low concentration
Ive written about the benefits of B12 shots here, but I will quickly go over the most common benefits that I see in my patients: Increases energy and reduces fatigue Increases metabolism and basal metabolic rate Helps with weight loss Improves sleep and circadian rhythm Increases mood and concentration Boost in immune function Increases hair growth The benefits depend on the person and what symptoms they have prior to taking the B12 shot
You might wonder how a pill works if you lack intrinsic factor: at very high oral doses, a small amount of B12 can be absorbed directly through the gut wall via passive diffusion, bypassing the need for intrinsic factor entirely [1] [3]
Science 306 , 13831386 (2004)
Because these particular vitamins are water-soluble, it is tough to overdose an animal to the point of toxicity
Traina (here