It is not a screening test, it has never been validated as one, and no guideline recommends measuring B12 to look for cancer
Going straight to maintenance doses means tissue concentrations never reach therapeutic threshold
A meta-analysis of randomized controlled trials found they can improve tendon structure, strength, and post-exercise recovery when combined with resistance training, though the quality of evidence remains moderate. Innovation is exciting, but recommending injectable, unregulated peptides to patients, without clinical validation should give us pause
Neglecting aftercare is another common mistake that can lead to soreness, bruising, or infection
Significant color changes like yellow or brown suggest degradation issues