Explored as a possible aid for recovery and lean-mass preservation in frail or catabolic populations, though a Merck-sponsored Phase 2b trial in elderly hip-fracture patients (Adunsky et al., 2011, Archives of Gerontology and Geriatrics, PMID 21067829) was halted early over a cardiac safety signal rather than demonstrating a clear functional benefit
Third-party lab tested every batch ships with a verifiable Certificate of Analysis
FDA-approved GLP-1 agonists are the exception: they are designed for continuous use, and weight regain occurs rapidly after discontinuation
All tests were measured on an Olympus AU2700 analyzer, with original test reagents (Olympus Diagnostica, Lismeehan, Ireland)
Contact your GP if you experience: Unexpected symptoms after starting B12 supplementation, including persistent skin reactions, gastrointestinal disturbance, or mild allergic manifestations Neurological symptoms such as significant tingling, numbness, weakness, or balance problemsthese may indicate B12 deficiency paradoxically, or alternative neurological conditions requiring assessment Unexplained fatigue or malaise that develops or worsens despite supplementation Concerns about medication interactions , particularly if taking metformin, proton pump inhibitors, or other medications affecting B12 metabolism [2] [4] Seek emergency medical attention (call 999) if you develop signs of a severe allergic reaction following B12 injection, including facial swelling, difficulty breathing, or widespread urticaria
Tasha, Age 27 I was nervous about getting it done