What is B12 in Duluth
But for most people, the effect is more of a gradual return to your normal baseline, not a sudden, dramatic spike in energy
Vitamin B12 is a powerhouse nutrient crucial for several bodily functions, including energy metabolism, nerve function, and red blood cell formation
Last reviewed: May 30, 2026 Last updated: May 30, 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
Intranasal treatment (via a nasal spray) of B12 is also available through a prescription (Andrs, 2018)
But throwing away perfectly good medication because you did not understand the normal color wastes money and delays your weight loss progress