The Primary Alternative Name: Hydroxycitric Acid (HCA)
The most widely recognized alternative name for hydroxycitrate is Hydroxycitric Acid, which is commonly abbreviated as HCA. This name refers to the same compound that is often found in dietary supplements, though it is marketed under various names. HCA is a derivative of citric acid, a familiar compound found in citrus fruits. Its notoriety largely stems from its association with the tropical fruit Garcinia cambogia.
The Connection to Garcinia Cambogia
For many consumers, the name "Garcinia cambogia" is synonymous with hydroxycitrate. However, it is more accurate to say that the rind of the Garcinia cambogia fruit is the primary source from which hydroxycitric acid (HCA) is extracted. This relationship is crucial for understanding product labeling, as supplements are often branded as "Garcinia cambogia extract" but rely on the HCA content for their claimed effects. Other common, less formal names derived from the fruit include Malabar tamarind, Brindal berry, and Garcinia gummi-gutta, the proper name for the tree.
Scientific and Chemical Designations
In scientific and chemical contexts, hydroxycitrate is identified by more precise terminology. These include:
- 1,2-Dihydroxypropane-1,2,3-tricarboxylic acid: This is the IUPAC (International Union of Pure and Applied Chemistry) name for the compound.
- (-)-Hydroxycitric acid: This specifies the levorotatory isomer, which is the form believed to be biologically active in supplements.
- Garcinia acid or Garcinia lactone: These are other synonyms used in chemical literature.
Understanding Hydroxycitrate's Function
The reason for hydroxycitrate's popularity, regardless of its name, lies in its proposed mechanisms for weight loss. The key mechanism involves inhibiting an enzyme called ATP-citrate lyase. This enzyme is crucial for converting carbohydrates into fat, and by blocking it, HCA is theoretically able to reduce fat production in the body. Additionally, some studies suggest HCA may increase serotonin levels in the brain, which can help suppress appetite. However, robust evidence supporting these effects in humans is mixed and inconclusive.
Comparison of Hydroxycitrate Terminology
To clarify the different terms, the following table breaks down the common names and their meaning:
| Term | What It Refers To | Origin/Context | Relevance | 
|---|---|---|---|
| Hydroxycitrate | The chemical compound, the active ingredient | Chemical context, dietary supplement | General term for the substance | 
| Hydroxycitric Acid (HCA) | The acidic form of the compound | Common name, supplement labeling | Most common alternative name | 
| Garcinia cambogia | The fruit tree species | Botanical source, common marketing term | The plant source of HCA | 
| Malabar Tamarind | A regional name for the fruit | Cultural context, food preparation | Other name for the Garcinia cambogia fruit | 
| ATP-Citrate Lyase Inhibitor | The compound's function/mechanism | Scientific context | Explains how the substance is believed to work | 
The Role of Hydroxycitrate in Supplements
Due to its alleged fat-blocking and appetite-suppressing properties, hydroxycitrate, as HCA, became a popular ingredient in weight-loss supplements. It has often been marketed as a "fat buster" and included in various proprietary blends. Products are commonly standardized to contain a specific percentage of HCA, with 50–60% being a typical concentration.
However, the supplement industry's use of HCA has been met with scrutiny. Regulatory bodies, such as the U.S. Food and Drug Administration (FDA) and France's Anses, have issued warnings regarding supplements containing Garcinia cambogia or HCA. Concerns have been raised about rare cases of liver damage and the lack of strong scientific evidence for significant, lasting weight loss in humans. While the fruit itself has a history of traditional use, the concentrated chemical in supplements is subject to different safety considerations.
Conclusion
In summary, the most direct and common alternative name for Hydroxycitrate is Hydroxycitric Acid (HCA). This chemical compound is best known for being the active ingredient in extracts from the Garcinia cambogia fruit, also referred to as Malabar tamarind. While it is marketed in supplements for its potential weight-loss benefits, consumers should be aware of the mixed scientific evidence regarding its efficacy and the reported safety concerns. For authoritative information on studies conducted on the compound, resources like the National Institutes of Health (NIH) provide valuable insight, as seen in publications like the study on Garcinia cambogia as a potential antiobesity agent. Ultimately, understanding the different names is key to recognizing the same compound across various product labels and scientific discussions.