Complete restriction typically becomes unnecessary as tissues regain baseline capacity
People may not be able to take vitamin B12 shots if they have a history of sensitivity to vitamin B12
10 WADA Prohibited ListClassification of TB-500 as a prohibited substance in competitive sport
Cell and Tissue Research , 377 (2), 153159
Depending on the type of peptide, benefits include improved sexual function, muscle growth, reduced inflammation, enhanced cognitive functions, and more
However, differences in absorption, safety, and effectiveness are not well established in large human trials