The short answer · Thermogenesis
Take matcha for thermogenesis. This is the one to buy.

Sports Research, Organic Collagen Peptides, Matcha, 10.2 oz (288 g)
4.7· 1,256 ratings· $1.22/serving
Matcha 2 g — inside the studied 2-5 g window
Of 369 products scored for Thermogenesis, Sports Research, Organic Collagen Peptides, Matcha, 10.2 oz (288 g) ranks #1 with a DoseRank score of 66. Matcha has moderate human evidence for this outcome.
Retailer links may be affiliate links. Rankings and placement are never paid.
The form“Why Matcha — not Cayenne?”Evidence Moderate evidence
Matcha has moderate human evidence for this outcome.
- MatchaThe pick
Moderate evidence · 2 g
Shade-grown green tea ground to a fine powder; delivers whole-leaf catechins (especially EGCG) plus L-theanine and moderate caffeine in one serving.
- Cayenne
Strong evidence · 500 mg
Dried fruit of Capsicum annuum rich in capsaicin; used to support thermogenesis, circulation, and digestion, with topical analgesic effects when applied to skin.
The dose“Is the dose actually effective?”Dose fit 67
Matcha at 2 g lands inside the studied 2-5 g window.
Matcha
Studied window 2-5 g · this pick 2 g
The ranking“Why should I trust this pick?”Trust 78
Solid trust signals from buyer ratings, with room to grow. Each product gets a DoseRank score blending clinical strength, evidence, dose fit, trust and value. Retailer links may be affiliate links — the scoring model decides placement, never payment from a brand.
- 369 products scored
- Never paid placement
- Evidence level: Moderate · 78
- 123 brands
- 5 ingredients
The price“Can I do better than $1.22 a serving?”Value 8
$1.22 per serving — high price tier for this outcome. The cheapest ranked pick here is $0.06 per serving.
- 2NOW Foods, Cayenne, 500 mg, 250 Veg CapsulesScore 65 · $0.06/servingiHerb
- 4Nutricost, Cayenne Pepper, 530 mg, 240 CapsulesScore 63 · $0.06/servingiHerb
Why not the absolute cheapest? The DoseRank score also weighs clinical strength, evidence, dose fit and trust — the very cheapest listings rarely hold up everywhere else.
Ready?
The #1 pick is $1.22 a serving.Sports Research, Organic Collagen Peptides, Matcha, 10.2 oz (288 g) — in stock at a tracked retailer.
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Sports Research, Organic Collagen Peptides, Matcha, 10.2 oz (288 g) ranks #1 for Thermogenesis with a DoseRank score of 66. The score blends clinical strength, evidence, dose fit, trust signals and value across 369 products scored for this outcome.
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