This serum test is really the only test available through standard labs for B12 specifically
Certain peptides, like CJC-1295 and Ipamorelin, are known to boost natural growth hormone levels, which can indirectly support testosterone production
More common is malabsorption due to a number of gastrointestinal risk factors: Atrophic gastritis, which increases with age, impairs both the production of the acid and enzymes needed to break down food, and the production of intrinsic factor
For example, those with high blood pressure, heart problems, skin conditions, blood disorders, gout and low potassium levels should use vitamin B12 with caution and may want to consider talking to a trusted health care practitioner before starting supplementation
This might reduce hunger even on a strict diet and activate fat-burning, targeting stubborn fat reserves