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Immediate vs

Oral B12 Supplements A common question is whether injections are necessary over high-dose oral supplements

What to know about B12 shots

Experiments showed that oral administration of the preparation significantly increased grip strength, muscle mass, and muscle fiber diameter in aged mice, effectively alleviating aging-related muscle atrophy, and providing a new direction for anti-aging research on sarcopenia

This clinical observation is possibly because the methylcobalamin delivered by this method is better absorbed into the bloodstream, or it is more bio-available, or the effect is more noticeable because of the constantly higher blood level