Pay in 4 interest-free payments of $6.55 Learn more
Ships within 48 hours · Estimated delivery Aug 5 - Aug 10
Last reviewed: July 3, 2026 Last updated: July 3, 2026 Written by: Jay Hastings, CEO of PlexusDx Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations
Nervous System Health: B12 is needed to create myelin, the protective layer around nerves
It is intended strictly for laboratory use and is not approved as a pharmaceutical or therapeutic agent
Some studies suggest that an increased intake of B12 may help to resynchronize sleep cycles and normalize sleep patterns, but other studies have come to no such conclusions
Some studies show a small increase in resting metabolic rate, possibly mediated by improved insulin sensitivity and reduced lipotoxicity in tissues
Legality varies by compound and country
US$ 23.12
US$ 23.42
US$ 24.02
US$ 24.07
US$ 21.13
