The frequency depends on your doctors advice
According to Harvard Health, (6) factors related to a vitamin B12 deficiency include: Limiting animal products in the diet Vitamin B12 is naturally found in meat, poultry, fish, and dairy products, so individuals that don't eat animal products can often become deficient
Heres more information about this vendor: Third-Party Lab Testing: Xcel Peptides makes sure to purity test their peptides with third-party labs
If B12 levels are low, treatment is usually simple
Disclosure: Gary Brecka is the owner of Ultimate Human, LLC which operates The Ultimate Human podcast and promotes certain third-party products used by Gary Brecka in his personal health and wellness protocols and daily life and for which Ultimate Human LLC and / or Gary Brecka directly or indirectly holds an economic interest or receives compensation
Neurosteroid transport in the brain: role of ABC and SLC transporters