Also known as: Capsicum annuum extract, Cayenne Pepper Extract, Hot Pepper Extract
Capsaicin is the pungent compound in chili peppers, acting on TRPV1 receptors to modulate pain signaling. It is clinically established as a topical analgesic for neuropathic pain and arthritis, and emerging evidence supports its metabolic and cardiovascular benefits when consumed orally.
Capsaicin is the principal capsaicinoid in chili peppers (Capsicum species), responsible for their characteristic pungency. It acts as a selective agonist of the transient receptor potential vanilloid 1 (TRPV1) receptor, initially activating and then desensitizing nociceptive nerve fibers. This mechanism underlies its well-established use as a topical analgesic, where repeated application depletes substance P and reduces pain signaling. High-concentration (8%) capsaicin patches are FDA-approved for postherpetic neuralgia. When consumed orally, capsaicin activates brown adipose tissue thermogenesis, increases energy expenditure, reduces appetite, and may improve lipid metabolism through TRPV1-mediated signaling in the gut and vasculature. Population studies associate regular chili consumption with reduced cardiovascular and all-cause mortality. Capsaicin also exhibits anti-inflammatory properties by inhibiting NF-κB activation and COX-2 expression. Oral supplements should be taken with food to minimize gastric irritation.
Topical capsaicin desensitizes TRPV1 receptors and depletes substance P, reducing pain signaling. High-concentration patches (8%) are FDA-approved for postherpetic neuralgia, and low-concentration creams (0.025–0.075%) are effective for osteoarthritis pain.
Oral capsaicin activates brown adipose tissue, increases energy expenditure by 50–100 kcal/day, and may improve lipid profiles and reduce appetite through TRPV1 signaling in the gastrointestinal tract.
Large population studies (>500,000 participants) associate regular consumption of capsaicin-containing foods with a 12–14% reduction in total mortality and decreased cardiovascular disease risk.
With meals to reduce gastric irritation
Start with a low dose and increase gradually. Enteric-coated capsules may reduce GI discomfort.
Apply to affected area; avoid mucous membranes and broken skin
Initial burning sensation is normal and diminishes with repeated use. Wear gloves during application. Full analgesic effect may take 2–4 weeks of regular use.
Metabolic support and cardiovascular health
Localized pain relief for arthritis and neuropathy
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