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B12 injections are generally considered safe, but consult a healthcare professional for personalized advice, particularly if you have underlying health conditions

In theory, all medications that can be injected into subcutaneous tissue can also be injected into muscles, except for Caffeine

Gastroenterol 123 , 163172 (2002)

"I know there are two sides to this," he says, "And to some, injecting drugs might seem quite extreme, but I think, since Covid, people are finding ways to take control of their own health

Every concern

While it's not an injection, the topical application of SNAP-8 has noticeably softened my fine lines, especially the ones that appear when I smile or frown