You have some wiggle room, but if you fall off your schedule for too long, those signs of fatigue will inevitably return, and they almost always arrive on the scene before any other symptom does
For example, patients with GERD tend to have better results with a laparoscopic gastric bypass
That said, the clearest human evidence so far is a small pilot where three months of B12 brought deficient older adults strength up to match non-deficient peers promising, but larger trials are the next step, especially on whether B12 supplementation helps people who arent prone to deficiencies
People who are generally healthy and who regularly eat animal products may not need to supplement at all
Studies show this compound affects pathways important for cellular energy balance and mitochondrial function
AOD-9604, sometimes called the fat-burning peptide, showed limited promise in animal studies but has failed to demonstrate consistent results in people, leading the FDA to explicitly state it is not an approved treatment (FDA on unapproved drugs)