Semaglutide
What this compound does
Semaglutide (Ozempic/Wegovy) is a proven, FDA-approved injection that lowers blood sugar and causes significant weight loss by curbing appetite.
- • People with type 2 diabetes
- • Adults with obesity/overweight meeting criteria
Weekly injection (or daily oral Rybelsus); appetite drops and weight falls over months. Requires a prescription.
- • Personal/family history of medullary thyroid carcinoma or MEN2
- • Pregnant people
- • History of pancreatitis (caution)
Manufactured to pharmacopeial standards as a stable acylated GLP-1 analog.
How much, when
Peer-reviewed studies
- PMID: 33567185A
Significant weight loss
STEP trials showed ~15% mean body-weight reduction with weekly semaglutide 2.4 mg vs placebo.
- PMID: 27633186A
Glycemic control
SUSTAIN trials demonstrated robust HbA1c reduction in type 2 diabetes.
- PMID: 37952131A
Cardiovascular benefit
SELECT trial showed reduced major cardiovascular events in overweight/obese patients without diabetes.
- PMID 33567185 · 2021rctA
Once-weekly semaglutide in adults with overweight or obesity (STEP 1)
~15% weight loss
- PMID 37952131 · 2023rctA
Semaglutide and cardiovascular outcomes (SELECT)
Reduced MACE
Medicine interactions
- HIGH
Insulin / sulfonylureas· antidiabetic
Additive glucose lowering raises hypoglycemia risk.
→ Dose reductions often needed; monitor glucose.
- LOW
Oral medications (delayed gastric emptying)· various
Slowed gastric emptying can alter absorption timing.
→ Monitor drugs with narrow therapeutic windows.
This page is a reference summary, not a prescription. Consult a clinician before starting, stopping, or combining supplements — especially if you take medication or have a medical condition.