Bitter Orange
Also known as: Seville orange, Citrus aurantium
Effective Dosage
500-1500 mg daily
✓ What the Science Says
Bitter orange is often used as a weight loss aid due to its active compound synephrine, which may increase metabolic rate and fat oxidation. Some studies suggest it can help with appetite suppression and energy expenditure, although results can vary.
✗ What It Doesn't Do
Bitter orange is not a miracle weight loss solution and does not guarantee significant fat loss without lifestyle changes. Claims of it being a 'fat burner' or 'appetite suppressant' should be viewed with skepticism, as results are not universally consistent.
Evidence-Based Benefits
Bitter orange is often used as a weight loss aid due to its active compound synephrine, which may increase metabolic rate and fat oxidation. Some studies suggest it can help with appetite suppression and energy expenditure, although results can vary.
Moderate EvidenceEffective at: 500-1500 mg daily
Source: auto-research
Absorption & Bioavailability
Moderate - Synephrine has moderate bioavailability, but individual absorption can vary.
Red Flags to Watch For
- 🚩 Look out for products claiming rapid weight loss without diet or exercise.
- 🚩 Beware of high doses that exceed recommended amounts, which may increase the risk of side effects.
Research Sources
- PubMed
- NIH DSLD
This information is for educational purposes only and is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Last updated: 2026-02-05