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Benefits of B12 shots B12 shots offer numerous benefits for individuals with vitamin B12 deficiency

They accumulate rapidly in various tissues, although some spin traps/nitroxides have problems crossing the bloodbrain barrier (BBB)

Enhanced Collagen Production Your skin's structure gets a powerful boost through concentrated Vitamin C delivery, working alongside essential amino acids to rebuild and strengthen

Nutr Metab (Lond) 13:5

The authors noted that human research remains limited to small pilot studies, and that no major adverse effects have been reported in published animal or early human work