Approved

Leptin: Uses, Evidence, and Reported Side Effects

Molecular formulaC87H138N22O28S2
Molecular weight2004.3 g/mol
Registered trials1890
PubChem CID157010069
Drug classNon-Standardized Plant Allergenic Extract [EPC]
Brand namesSLIM

Many people searching for leptin want to know whether it is a treatment for weight or appetite problems, and what a product carrying this name is actually registered to do. The label on file covers a specific extract product rather than a broad metabolic therapy.

Key takeaways

  • Leptin is marketed under the brand name SLIM as a non-standardized plant and food allergenic extract.
  • The labeled indications relate to appetite, digestion, and weight complaints rather than a defined metabolic disease.
  • No boxed warning is present on the label.
  • More than 1,890 trials are registered in connection with leptin-related research.
  • Reported adverse events in the FAERS data are limited and span a mix of unrelated symptoms.

What Leptin Is

The pharm class listings describe this product as a non-standardized plant allergenic extract and a non-standardized food allergenic extract. These categories are typically used for extract-based formulations rather than a single purified hormone product. A detailed mechanism of action is not provided on the label.

What Leptin Is Approved For

The label lists indications of food cravings, a great appetite, regurgitation of food, nausea, eating that relieves discomfort, constant belching, bloating, sluggishness, and being overweight. These are symptom-based indications rather than a specific diagnosed condition. The product is marketed under the brand name SLIM. No boxed warning is present on this label.

What the Evidence Shows

Over 1,890 trials appear in the registered trial count associated with leptin. Among the sampled studies, one completed trial examined herbal medicine in Korean women with obesity, with or without metabolic syndrome risk factors, in a randomized, placebo-controlled design. Another completed trial assessed endocrine and nutritional status in people with beta thalassemia major, and a third looked at lipid and energy metabolism adaptation during lipid overnutrition in people with constitutional thinness.

Reported Side Effects

FAERS data reflect adverse event reports, not confirmed incidence or causation. The reports tied to leptin are few, each logged only once, and cover a varied mix: dizziness, drug dose omission, foot fracture, headache, hyperglycaemia, hypersensitivity, hypoglycaemia, and insulin resistance. This spread does not point to a single dominant reaction pattern in the available reports.

FAQ

What is leptin used for according to its label?
The label lists indications such as food cravings, a great appetite, regurgitation of food, nausea, constant belching, bloating, sluggishness, and being overweight. These are symptom-based indications tied to a specific product, marketed as SLIM. The label does not describe a single defined medical condition.
Is leptin the same as a purified hormone product?
Based on the available label data, this product is classified under pharm classes for non-standardized plant and food allergenic extracts. This classification differs from a purified or synthetic hormone product. No mechanism of action is specified in the label on file.
Does leptin carry a boxed warning?
No, the label on file does not include a boxed warning.
What does the research on leptin show so far?
More than 1,890 trials are registered in connection with leptin-related research. Sampled studies include a completed randomized trial on herbal medicine in obese women, a completed study on endocrine and nutritional assessment in beta thalassemia major, and a completed study on lipid and energy metabolism in constitutional thinness.
What side effects have been reported with leptin?
Reported events in the FAERS data include dizziness, drug dose omission, foot fracture, headache, hyperglycaemia, hypersensitivity, hypoglycaemia, and insulin resistance, each logged once. These figures represent adverse event reports, not confirmed incidence or proof of causation.
This page is an editorial information resource. It does not sell, prescribe, or recommend any medication. Content is editorial information, not medical advice. Talk to your doctor before any treatment decision.

Sources: FDA label data (DailyMed) ClinicalTrials.gov FDA Adverse Event Reporting System (FAERS) PubChem

Updated 2026-11-07