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However, the reality is more cautious

Reported Side Effects (Mild and Rare) Nausea Occasionally reported when injected near the stomach or when dosing is too high Headache Often from stacking with other peptides (e.g., GH secretagogues) Dizziness or lightheadedness Linked to vasodilation or nitric oxide regulation Injection site irritation Mild redness or swelling is possible with subcutaneous use These effects are usually short-lived and self-resolving , especially when using proper injection technique and sterile reconstitution practices

And again, he says the biggest users arent people who you might expect

Extra nutrients that work well with vitamin B12

doi:10.1186/s12917-023-03594-4