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This is less of an issue with sealed vials but is still a consideration

Open the B12 ampoule

So they're never gonna let it come to the market because it's going to be, you know, it's gonna keep people from getting surgeries and then big pharma is not gonna make money and all that

Microneedling punches temporary holes through the barrier

In the meantime, there's a gap, and a world of fitness influencers and online clinics flooding in to fill it, offering advice on how to build muscle