Other ingredients
Naringin
Names you may see: citrus flavonoid grapefruit naringenin
The quick take
Naringin is a citrus flavonoid studied for metabolic effects. It is distinct from the related compound naringenin.
A closer look
What forms will I see on a label?
Check whether a label names naringin, naringenin or a broader citrus extract. Evidence for one preparation does not establish an equivalent effect for another.
Why people use it
Ingredient suppliers market naringin as a citrus-derived antioxidant for nutritional products. This positioning does not establish a muscle-building or fat-loss benefit.
These are common goals and marketing uses. The evidence section below explains what research supports.
What does the evidence tell us?
A randomized trial did not find cholesterol improvement from naringin under the studied conditions. Laboratory antioxidant findings alone are not evidence of a clinical benefit.
What should I know before using it?
Ask a pharmacist about concentrated citrus ingredients if you take medication, especially when your medicine carries grapefruit-related advice.
Sources & further reading
Published clinical study (PubMed) ↗
Content reviewed: September 30, 2026
General educational information. Follow the product label and seek individual advice when needed.