cayenne fruit
Also known as: Cayenne pepper, red pepper, chili pepper, Capsaicin, Capsicum annuum
Overview
Cayenne pepper is derived from the fruit of the Capsicum annuum plant, widely recognized for its spicy heat and medicinal properties, primarily attributed to its active compound, capsaicin. It is commonly used as a spice and has traditional applications for pain relief, digestive issues, and as a potential aid in weight management. Key characteristics include its anti-inflammatory and antioxidant effects. While extensive research has been conducted on capsaicin, particularly regarding its mechanisms of action and potential benefits, the quality of evidence varies, with some clinical trials showing mixed results and high heterogeneity. Despite this, it remains a popular ingredient in both culinary and supplemental forms.
Benefits
Capsaicin supplementation may offer modest benefits for weight management, with a meta-analysis suggesting reductions in BMI, body weight, and waist circumference in overweight or obese individuals. However, the clinical significance of these effects is limited by variability across studies. Other potential benefits, such as lowering cholesterol and supporting digestive health, have been suggested but are less thoroughly studied and require more robust evidence. A systematic review and meta-analysis specifically found no significant effect of red pepper/capsaicin on blood pressure or heart rate, indicating that cardiovascular benefits are not well-supported by current research. The time course for observing benefits is not well-defined and can vary depending on the specific outcome being measured.
How it works
Capsaicin primarily exerts its effects by activating transient receptor potential vanilloid 1 (TRPV1) receptors. This activation influences various physiological processes, including pain perception, metabolism, and inflammation. By interacting with TRPV1 receptors, capsaicin can affect the nervous system, gastrointestinal tract, and potentially the cardiovascular system. While capsaicin is absorbed in the gastrointestinal tract, its bioavailability can be limited due to rapid metabolism. The activation of TRPV1 receptors is central to its known biological pathways, mediating its characteristic heat sensation and its therapeutic actions.
Side effects
Cayenne pepper and capsaicin are generally considered safe when consumed in moderate amounts. Common side effects, occurring in more than 5% of users, include gastrointestinal discomfort and a burning sensation in the mouth and throat due to its inherent spiciness. Uncommon side effects (1-5%) may include stomach upset and sweating. Rare side effects (less than 1%) can involve allergic reactions. It is important to note potential interactions with blood thinners, which could increase the risk of bleeding, and certain medications for diabetes, as capsaicin might affect blood sugar levels. Contraindications include individuals with severe gastrointestinal issues, such as ulcers or inflammatory bowel disease, or those with known allergies to capsaicin. Pregnant or breastfeeding women should consult a healthcare provider before using cayenne supplements due to insufficient safety data in these populations.
Dosage
For capsaicin, a minimum effective dose typically starts at 0.1-0.5 mg per day to assess tolerance. For weight loss purposes, optimal dosage ranges often fall between 2-4 mg per day. The maximum safe dose is generally considered not to exceed 10 mg per day. To minimize gastrointestinal side effects, it is best taken with meals. Cayenne pepper is available in various forms, including capsules, powders, or as a food ingredient. Absorption can be enhanced by consuming it with fatty foods. No specific cofactors are required for its efficacy. It is advisable to start with lower doses and gradually increase to the desired range while monitoring for any adverse reactions.
FAQs
How should I start taking cayenne pepper supplements?
Begin with a low dose, typically 0.1-0.5 mg of capsaicin per day, to assess your tolerance. It's best to take it with meals to reduce potential gastrointestinal discomfort.
Is cayenne pepper safe for everyone?
While generally safe in moderation, individuals with severe gastrointestinal issues, allergies to capsaicin, or those on blood thinners or diabetes medication should consult a healthcare provider before use.
When is the best time to take cayenne pepper?
To minimize side effects like stomach upset, it is recommended to take cayenne pepper supplements consistently with meals.
What kind of results can I expect from taking cayenne pepper for weight loss?
Modest reductions in BMI and body weight may be observed over several weeks, but it is not a 'magic bullet' and should be combined with lifestyle changes for best results.
Can cayenne pepper interact with other medications?
Yes, it may interact with blood thinners, increasing bleeding risk, and could affect blood sugar levels, potentially interacting with diabetes medications. Consult your doctor if you are on medication.
Research Sources
- https://pubmed.ncbi.nlm.nih.gov/34676607/ – This systematic review and meta-analysis investigated the effects of red pepper/capsaicin on blood pressure and heart rate. The study concluded that there were no significant effects on these cardiovascular parameters, highlighting the variability in results across different trials and suggesting a lack of strong evidence for cardiovascular benefits.
- https://pubmed.ncbi.nlm.nih.gov/36938807/ – This meta-analysis examined the impact of capsaicin intake on weight loss in overweight and obese individuals. The findings indicated modest reductions in BMI and body weight, suggesting a potential role for capsaicin in weight management, although the clinical significance was noted to be limited by study heterogeneity.
- https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2022.908487/full – This comprehensive review explores the potential therapeutic benefits of capsaicin, including its anti-inflammatory and anti-cancer effects. It provides a broad perspective on capsaicin's biological activities and mechanisms, while also noting that clinical trials in some areas are still limited.
Supplements Containing cayenne fruit

Ripped Fuel Extreme Cut
Twinlab

ActiVit Metabolism Formula
Beachbody Nutritionals

Vocal Immunition
Superior Vocal Health

Cleanse Pak Part 1
Trace Minerals Research

Cleanse Pak 14-Day Total Body Detox
Trace Minerals Research

Hawthorn Berry Standardized Extract 100 mg With Garlic & Cayenne
Martin Avenue Pharmacy

Ripped Fuel Extreme
Twinlab

Ripped Fuel Extreme
Twinlab