Vitamin B12 injections have surged in popularity due to widespread med spa marketing and wellness influencer promotion, but genuine B12 deficiency remains a real and often underdiagnosed condition particularly among older adults
Why consumer results in 4 to 8 weeks claims are problematic Consumer marketing copy frequently states that GHK-Cu produces visible results within a defined window of personal use
It works through several mechanisms, such as suppressing appetite, increasing satiety, reducing food cravings and feelings of hunger, and delaying gastric emptying (the rate at which the stomach empties)
For B12, prolonged use of metformin and acid-suppressing drugs (PPIs, H2 blockers) may reduce absorption of oral B12, which is one reason injectable B12 is considered in select patients
[15] In practice, hydroxocobalamin injections achieve higher and more sustained vitamin B concentrations compared to cyanocobalamin