Code SPORTPOEDER gives extra discount at our partners.Applied automatically in the comparison tool.
You order directly from BioTech USA. This doesn't change the price for you. In fact, with Sportpoeder you always get the lowest price.
Good
SupplementScore · scale A+ (best) to E
Same type of product, different brands. The cheapest per 100 g is highlighted.
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Iso Whey Zero
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BSN Syntha-6 Isolate
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The winner
Max’s Pro Series Whey Isolate
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Max’s Pro Series Whey Isolate
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|---|---|---|---|---|
| Price | $109.90 | $79.95 | $122.95 | $72.95 |
| SupplementScore | B | — | — | — |
| Per 100 g | $12.10 / 100 g | $8.88 / 100 g | $6.83 / 100 g | $8.11 / 100 g |
| Shop review | 4,9 | 5,0 | 5,0 | 5,0 |
| Shop | BioTech USA | BSN Supplements | Max's Supplements | Max's Supplements |
| This product | View product | View product | View product |
An independent assessment of ingredients, dosage and quality, based on public sources.
Good
Iso Whey Zero · BioTech USA
On a scale from A+ (best) to E
How is this score determined?
Reviewed by Android Health ClinicScale: 9–10 = A+ · 7–8 = A · 5–6 = B · 3–4 = C · 2 or less = D; ±20 g of complete protein never drops below B
What is this useful for?
Whey is mainly a convenient way to reach your daily protein intake — it has no magic effect beyond other high-quality protein sources. If you get enough protein from regular food you do not need it, but in practice that is often a challenge; a guideline for building and keeping muscle is about 1.6 grams of protein per kilo of body weight per day. With lactose intolerance, concentrate can cause complaints and isolate is often the better choice; whey is not suitable with a cow's milk protein allergy. In healthy people a high protein intake has not been shown to harm the kidneys; with existing chronic kidney disease, individual protein advice from a doctor or dietitian is needed. Approved sweeteners in the amounts used in whey are not a medical problem — which sweetener you want is a personal choice, not a quality difference. (Review: Android Health Clinic.)
Sources
Product page/label · whey scorecard v3.1 · medically reviewed by Android Health Clinic
Model version 3.1 · 30 August 2026 · version history
Not a partner: we earn nothing here. The score follows the same public rules as for partner products.
How does the SupplementScore work?Shop rating · 235 · via BioTech USA
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