Other conditions such as intestinal overgrowth (known as SIBO), which is also incredibly common among hypothyroid patients (2), can reduce B12 absorption in the GI tract
Glucagon receptor activation increases hepatic glucose production (relevant for energy balance), boosts basal metabolic rate (thermogenesis), and promotes lipolysis (fat breakdown)
Youll often find that the recommended daily intake (RDI) for B12 listed as 2.4 mcg (SOURCE, SOURCE) for most men, and women over the age of 19 (the RDI for pregnant women is 2.6 mcg), but recent evidence suggests that 4-7 mcg might be better (SOURCE)
One product leaflet for B12 states 50-98% of injected B12 is excreted with the urine
CYANOCOBALAMIN- cyanocobalamin injection Somerset Therapeutics, LLC ---------- Cyanocobalamin Injection, USP is a sterile solution of cyanocobalamin for intramuscular or subcutaneous use
Injections may reduce your risk of osteoporosis and fractures, particularly if you have low levels or specific needs related to aging
