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ShiotaMSugaiNTamuraMYamaguchiRFukushimaNMiyanoTet al
No randomized trials No controlled studies No validated imaging or outcome measures Only one very small, biased case series 2
Just apply a small amount somewhere discreet, like your inner arm, and wait 24 hours to make sure your skin is on board with the new addition
When you take the vitamins via injection, they become immediately available for energy production
If you take one that contains levels of vitamin B12 that are well above the RDA, you may have side effects such as gastrointestinal discomfort, says Anderson-Haynes
A quick note before we dive in: this is an overview , not a prescription
