Isopure

Isopure Zero Carb Whey Protein Isolate

25g of protein per serving from 100% whey protein isolate with zero carbs, zero fat, and zero lactose. 3lb container yields ~42 servings. Unflavored option available. No NSF Certified for Sport or Informed Sport certification.

Research last verified August 19, 2026

71/ 100

Ethos Score

71/ 100

Score is computed from the five dimensions below using verified research inputs.

The Takeaway

100% whey protein isolate with zero carbs. A pure protein source for those monitoring carbohydrate intake.

Best For

  • • People targeting zero carb protein supplementation
  • • Keto or low-carb users who want whey isolate

Watch Out For

  • • No independent sport certification
  • • Sucralose used as sweetener

Why this score

Score covers 85% of the full 100-point weight. Dimensions with no verified input are excluded from the calculation.

Evidence & Dose
85/ 100

100% whey isolate. Strong evidence for protein synthesis and recovery.

Formula Quality
80/ 100

Pure whey protein isolate. Zero carbohydrates. Sucralose-sweetened.

Testing & Transparency
40/ 100

No independent sport certification confirmed.

Toxins & Contaminants
Pending

No product-specific contaminant data.

Real Cost / Value
70/ 100

Competitive pricing for pure whey isolate.


Real Cost

Isopure Zero Carb — 3lb (42 Servings) Dutch Chocolate · Isopure Zero Carb 3lb One-Time

One-time purchase

$44.99

Cost per serving: $1.07

No verified official purchase link is available


Formula

Key Active Ingredients

  • Whey Protein (Whey Protein Isolate)

    25 g

    1 scoop (~31g)

Testing & Transparency

Independent certification

No public certification verification is listed

Public test source

No product-specific test source is linked

No independent certification confirmed.

Toxin & Forever Chemical Report

This section shows product-specific contaminant and PFAS (forever chemical) test results where available. “No Product-Specific Data Found” is not a purity pass — it means no public test result was located for this exact product. Organic, non-GMO, and similar certifications are agricultural standards and do not verify contaminant levels.

Heavy Metals (Lead, Cadmium, Arsenic, Mercury)
No Product-Specific Data Found
PFAS / Forever Chemicals
No Product-Specific Data Found

No product-specific contaminant data.


Evidence

No structured expert findings are available for this product yet. The research summary in the score dimensions above reflects the current state of our analysis.

Sources