can you have b12 injection with a cold make sick B12 Injection Therapy in Shoreline WA: Enhance Your Health Today Vitamin B12 Injections: Hot Shots?
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*Individual results may vary

Enhanced Skin, Hair, and Nail Health The harsh winter weather can also wreak havoc on your skin, hair, and nails, leaving them dry, brittle, and lacking in vitality

10.1017/S1041610211002511 [DOI] [PubMed] [Google Scholar] 12

While high-dose B12 is generally safe, its still important to use supplements thoughtfully and pay attention to any unusual symptoms
Regular monitoring and clinical assessment are key to find the best schedule
for example, isoniazid, cycloserine, penicillamine, and hydralazine each form complexes with B or otherwise interfere with B metabolism, potentially leading to deficiency and peripheral neuropathy