(2) The scientists compared the potential of GHK-Cu to other peptides and vitamin C and vitamin A derivatives on photodamaged skin
Oral Wegovy (semaglutide 25 mg): the first approved oral GLP-1 for weight loss On December 22, 2025, the FDA approved oral Wegovy, making it the first and only oral GLP-1 medication approved specifically for weight management in adults
Common side effects (affecting more than 1 in 10 people) include: Nausea and vomiting : Often most pronounced in the first few weeks Diarrhoea or constipation : Gastrointestinal motility changes are expected Decreased appetite : This contributes to weight loss but may be uncomfortable Abdominal pain or discomfort Injection site reactions : Redness, itching, or swelling at the injection site To minimise gastrointestinal symptoms, patients should eat smaller, more frequent meals, avoid high-fat foods, and stay well hydrated
Food & Drug Administration (2022)
This report systematically examines those issues by PBM in mid-2026, using data from federal disclosures, published studies, industry surveys, and real-world examples
Injection site reactions: Both compounds, if used in injectable form, carry risks of localised reactions including redness, swelling, pain, and infection