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DOSERANKEVIDENCE-BASED SUPPLEMENTSFull analysis

The short answer · Perceived exertion

Take caffeine anhydrous for perceived exertion. This is the one to buy.

Applied Nutrition, Green Tea Fat Burner®, 90 Fast-Acting Liquid Soft-Gels
1

Applied Nutrition, Green Tea Fat Burner®, 90 Fast-Acting Liquid Soft-Gels

4.2· 6,990 ratings· $0.36/serving

DoseRank score84

Caffeine Anhydrous 160 mg — inside the studied 150-600 mg window

Of 251 products scored for Perceived exertion, Applied Nutrition, Green Tea Fat Burner®, 90 Fast-Acting Liquid Soft-Gels ranks #1 with a DoseRank score of 84. Caffeine Anhydrous is the strongest evidence signal for this outcome.

View on iHerb— $0.36/sv60-sec quiz instead
Cheaper alternative$0.08 per servingNutricost, Caffeine, 200 mg, 120 Capsules

Retailer links may be affiliate links. Rankings and placement are never paid.

The form“Why Caffeine Anhydrous?”Evidence Strong evidence

Caffeine Anhydrous is the strongest evidence signal for this outcome.

  • Caffeine AnhydrousThe pick

    Strong evidence · 160 mg

    Dehydrated, water-free caffeine; delivers a precise, fast-acting stimulant dose, which is why it dominates pre-workout and weight-management formulas.

Buy the #1 pick
The dose“Is the dose actually effective?”Dose fit 67

Caffeine Anhydrous at 160 mg lands inside the studied 150-600 mg window.

Caffeine Anhydrous

Studied window 150-600 mg · this pick 160 mg

100 mg
200 mg
The ranking“Why should I trust this pick?”Trust 80

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.

  • 251 products scored
  • Never paid placement
  • Evidence level: Strong · 92
  • 90 brands
  • 1 ingredients
See the full analysis — every score, every productHow the ranking works
The price“Can I do better than $0.36 a serving?”Value 69

$0.36 per serving — mid price tier for this outcome. The cheapest ranked pick here is $0.08 per serving.

  • 3
    Nutricost, Caffeine, 200 mg, 120 CapsulesScore 83 · $0.08/serving
    iHerb
  • 4
    Nutricost, Guarana Powder, 3.5 oz (100 g)Score 82 · $0.14/serving
    iHerb

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 $0.36 a serving.

Applied Nutrition, Green Tea Fat Burner®, 90 Fast-Acting Liquid Soft-Gels — in stock at a tracked retailer.

View on iHerb
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Questions

Frequently asked

Applied Nutrition, Green Tea Fat Burner®, 90 Fast-Acting Liquid Soft-Gels ranks #1 for Perceived exertion with a DoseRank score of 84. The score blends clinical strength, evidence, dose fit, trust signals and value across 251 products scored for this outcome.

Caffeine Anhydrous is the strongest evidence signal for this outcome.

Caffeine Anhydrous at 160 mg lands inside the studied 150-600 mg window. DoseRank scores this product's dose fit at 67 out of 100.

Applied Nutrition, Green Tea Fat Burner®, 90 Fast-Acting Liquid Soft-Gels works out at $0.36 per serving. $0.36 per serving — mid price tier for this outcome. The cheapest ranked pick here is $0.08 per serving.

No. Retailer links may be affiliate links, but rankings and placement are never paid. Every product is scored by the same public model, and the ranking is recomputed from the underlying product data rather than edited by hand.

Use rankings as research support

DoseRank rankings are informational and not medical advice. If you are pregnant, breastfeeding, using medications, or managing a health condition, ask a qualified clinician whether a supplement fits your situation. Stop use and report concerning adverse events to a clinician, the product maker, or the retailer.

Disclosure

Retailer links may be affiliate links. Rankings and placement are not paid placement.

Applied Nutrition, Green Tea Fat Burner®, 90 Fast-Acting Liquid Soft-Gels

$0.36/serving · ★ 4.2 · In stock

60-sec quizView on iHerb