And since having too much B12 isnt harmful (the body simply excretes the excess), its easier and cheaper to just get a shot (B12 injectables cost $14 apiece if bought online or $20 to $70 at a spa or doctors office)
research shows no additional benefit above 1 mg daily Important: Doses above 1 mg (1,000 mcg) daily showed no additional metabolic benefits in clinical research
Whether it produces the described outcomes in individual consumers is subject to the individual results variability that applies to all dietary supplements
Last reviewed: May 14, 2026 Last updated: May 14, 2026 Written by: Jay Hastings, CEO of PlexusDx Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations
Is Tesamorelin Safe
By September I hit 169 pounds and honestly my skin looks way better than friends who lost similar weight without peptide support