According to the NIH Office of Dietary Supplements, functional B12 deficiency is most commonly seen in patients with one or more of the following: Age over 50 stomach acid production declines with age, and stomach acid is required to free B12 from food PPI or H2 blocker use reflux medications suppress the acid needed for B12 absorption Metformin use, which interferes with B12 absorption directly Vegan or vegetarian diets B12 is found almost exclusively in animal products Gut conditions including celiac, IBS, SIBO, and Crohns MTHFR mutations that affect how B12 is metabolized once absorbed Heavy alcohol use The symptoms of low B12 are easy to dismiss: fatigue, brain fog, low mood, tingling in the hands or feet, weakness, and shortness of breath on mild exertion
How Retatrutide Works and Why Gastrointestinal Symptoms Occur Retatrutide is an investigational triple receptor agonist that activates GLP-1, GIP, and glucagon receptors
NAC has traditionally been a more popular supplement for increasing Glutathione levels in the body due to its ability to be more readily absorbed
Effects of Uncaria tomentosa total alkaloid and its components on experimental amnesia in mice: Elucidation using the passive avoidance test
Each method has its own rules, like the vitamin B12 IV infusion dose
Also, do not exceed the recommended dose of the drug for safer practice and results