A large share of peptides sold online originate from manufacturers in China, Serbia, and Ukraine
While there is no problem with doing so, and we as medical professionals do actually recommend supplements in specific cases, this may not be the most optimal method for B12
The peptides amino acid sequence creates a structure that remains stable under conditions that would destroy most similar compounds
If you have both the digestive issues and the anxiety and palpitations when you swallow it, we wouldn't expect the same thing when you take an injection
For body-composition goals (lean mass gain, fat loss), a mid-range dose may be more effective
Oral supplements are widely available in tablets, capsules, sublingual forms, and even liquids