Last reviewed: May 18, 2026 Last updated: May 18, 2026 Written by: Jay Hastings, CEO of PlexusDx Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations
If youre finding it hard to lose stubborn pounds and often feel low on energy, the issue might go beyond cutting calories
5.- Remove the needle protector
These injections can include substances such as hormones, vitamins, or other agents that help reduce appetite, enhance metabolism, or alter the way your body absorbs and uses nutrients
Because the body is efficient at excreting excess B12 through urine, there is no established tolerable upper intake level (UL) for the vitamin
[1] [2] Blood levels of B12 may rise quickly following injection, though elevated blood levels do not immediately translate to symptom resolution