Supplement Scholar
Metabolic / GLP-1

Semaglutide

Research compound. This is not a dietary supplement. Unless it is identified as an approved prescription drug, it is not approved by the FDA for human use. This page summarizes published research for education only; we do not sell it or link to sellers.

Semaglutide. Long-acting GLP-1 receptor agonist used for weight loss and glycemic control.

How it works. Activates GLP-1 receptors in pancreas, brain, and gut, increasing glucose-dependent insulin secretion, slowing gastric emptying, and reducing appetite.

What the research supports. 3 graded claims. Strongest: Robust weight loss (preclinical).

Hormonal impact. Effects on Insulin, Glucagon, Ghrelin, Leptin sensitivity.

Side effects and interactions. 1 medication interaction listed. Serious: Pancreatitis (rare).

Stacking. Pairs well with Resistance training and adequate protein. Avoid combining with Personal or family history of MTC or MEN2.

Common forms. Available as Once-weekly subcutaneous injection, Daily oral tablet.

Community. Experiences from people who have tried Semaglutide. Anecdotes are not medical advice.

Semaglutide. Long-acting GLP-1 receptor agonist used for weight loss and glycemic control.

31-residue chainC187H291N45O59 · 4114 g/mol

What it is

Semaglutide is a modified GLP-1 analog with a fatty-acid side chain that binds albumin, extending its half-life to roughly a week.

Also called

OzempicWegovyRybelsus

How it works

Activates GLP-1 receptors in pancreas, brain, and gut, increasing glucose-dependent insulin secretion, slowing gastric emptying, and reducing appetite.

Pathways

  • GLP-1 receptor agonism
  • POMC / NPY hypothalamic balance

Effects

  • ↓Appetite and food intake decreases
  • ↑Glucose-dependent insulin secretion increases
  • ↓Body weight decreases

What the research supports

Robust weight losspreclinical
Improved A1c and cardiovascular outcomespreclinical
Reduced food noisepreclinical

Strong: consistent results across large trials or meta-analyses. Moderate: several trials, mostly positive. Limited: small or mixed studies. Preclinical: animal or cell research only.

Hormonal impact

↑Insulinincreases
↓Glucagondecreases
↓Ghrelindecreases
~Leptin sensitivitymodulates

Side effects & interactions

Common side effects

  • Nausea
  • Reflux
  • Constipation

Serious

  • Pancreatitis (rare)
  • Possible thyroid C-cell tumor risk (rodent data)

Medication interactions

Sulfonylureas or insulinmoderate

Hypoglycemia risk; dose adjustment expected.

Check any supplement–medication combination with your pharmacist before starting.

Combines with

Pairs well

  • Resistance training and adequate proteinProtects lean mass during weight loss.

Avoid combining

  • Personal or family history of MTC or MEN2Boxed contraindication.

Common forms

  • Once-weekly subcutaneous injection
  • Daily oral tablet

Discussion

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