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Primaforce Caffeine + Theanine supplement bottle
Primaforce

Caffeine + Theanine Review

What We Researched
2 active ingredients analyzed · 5 inactive ingredients decoded · 1 brand certification checked · Page generated: Sep 2026
100
Product Score Excellent
82
Brand Score Good

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Caffeine Anhydrous 100 mg *
L-Theanine 100 mg *
Bioavailability Excellent

Absorption Rating

  • Caffeine Anhydrous Good
  • L-Theanine Good
Other Ingredients Excellent

Fillers & Additives

  • Rice Flour
  • Gelatin Capsule
  • Microcrystalline Cellulose
  • Magnesium Stearate
  • Silica
Efficacy Excellent

Dosage Analysis

  • Caffeine Anhydrous 100 mg Effective
  • L-Theanine 100 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Caffeine Anhydrous 100 mg *
L-Theanine 100 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Rice Flour Safe

Natural bulking agent to fill capsule space. Hypoallergenic.

Gelatin Capsule Safe

It is used as a material for making capsules.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Brand Trust Report
Primaforce

· Burlington, NC, USA / Vineyard, UT, USA · 91 products · primaforce.com/

Certifications

1 certification
Consumerlab Source available Primary evidence

Transparency

2 claims
Third Party Testing Claim — Claimed Evidence available Evidence
Testing Lab Disclosure — True Brand claim; evidence unavailable

Violation History

1 incident
Fda Warning Manufacturing violations at a contract manufacturer (Milk Specialties Global).2011-12-19 Source available Primary source
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Frequently Asked Questions
Is Primaforce Caffeine + Theanine a good supplement?

Primaforce Caffeine + Theanine received a product quality score of 100/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 2 active ingredients with 180 servings per container. All 5 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Primaforce, holds a brand trust score of 82/100.

What are the ingredients in Primaforce Caffeine + Theanine?

Primaforce Caffeine + Theanine contains 2 active ingredients: Caffeine Anhydrous (100 mg), L-Theanine (100 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Primaforce Caffeine + Theanine safe to take?

GoodSupp reviewed the inactive-ingredient data available for Primaforce Caffeine + Theanine. All 5 inactive ingredients — including capsule materials, fillers, and binders — are currently classified as safe in GoodSupp's ingredient reference data. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Primaforce a trustworthy supplement brand?

Primaforce receives a brand trust score of 82/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. the company offers 91 products in their lineup. Note: Primaforce has 1 historical regulatory incident on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records — read our methodology. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.