Strategies to Optimize Vitamin B12 Absorption After Surgery To prevent vitamin B12 deficiency, healthcare professionals recommend several strategies for individuals who have undergone bariatric surgery: Vitamin B12 Supplementation: Regularly taking vitamin B12 supplements in the form of injections, sublingual tablets, pills, or nasal sprays helps maintain adequate levels
Human and animal blood also contain relatively high levels of glutathione, while its content in plant tissues is generally lower
the three-peptide blend itself is not clinically validated
All reviewed articles comprised of both randomised and non-randomised intervention studies
l-glutamine (Fisher Scientific, 25030081), l-methionine (Sigma-Aldrich, M5308), l-cystine (Sigma-Aldrich, C7602), GSH (Sigma-Aldrich, G4251) or cysteinylglycine (Bachem, 4002969) was added to each condition at the indicated concentrations