What it does: The primary active, synephrine, is believed to support metabolic rate and thermogenesis by interacting with adrenergic receptors, and is often used to help manage appetite and energy expenditure.
How it is used: Citrus Aurantium extracts are most frequently used in supplements intended for weight management, appetite control, and physical performance support.
Natural sources and supplement forms: Bitter orange grows in regions such as the Mediterranean and Southeast Asia. Extracts are typically standardized for synephrine content and provided in capsules, tablets, or powder forms.
Why it appears in supplement formulas: It is included due to its reputation for supporting calorie burning and appetite control as a more moderate alternative to banned stimulants such as ephedra.
What to know before use: Synephrine may increase heart rate and blood pressure; those with heart concerns or stimulant sensitivity should seek medical advice before use.
Interesting Fact
Bitter Orange: The Fruit Behind Citrus Aurantium
Citrus Aurantium, also known as bitter orange, is the fruit traditionally used to make British orange marmalade. Beyond its culinary roots, the peel of this Southeast Asian citrus hybrid is a natural source of compounds like synephrine. Its zesty aroma and functional components have made it popular in foods, beverages, and supplement formulas alike.
