Sleep: B12 is involved in regulating melatonin, the hormone that governs your sleep-wake cycle
It does not play well with strong actives that drive exfoliation or shift skin pH
When to seek medical help See a doctor promptly if you have spreading redness or warmth around the site, discharge or a fever, numbness or weakness that does not settle, or any swelling of the face, lips or throat or difficulty breathing, which can signal a rare allergic reaction and is a medical emergency
The implications of this effect are not well understood
The absorption, assimilation, and methylation of B12 is a complex process that involves many steps, as summarized in the diagram below
The peptide works by modulating beta-3 adrenergic receptors and directly interacting with fat cells to stimulate lipolysis (fat breakdown) and inhibit lipogenesis (new fat formation)