R1 delivers 25 g protein entirely from whey isolates and hydrolysed isolates, with more than 6 g BCAAs reported. The formula is lean and the banned-substance programme is real. It remains a premium isolate, so value depends on whether the buyer needs that format.
Score breakdown
| Area | Finding | Score |
|---|---|---|
| Formulation | 25 g isolate/hydrolysate protein | 24 / 25 |
| Transparency | Protein sources and amino-acid totals disclosed | 18 / 20 |
| Laboratory verification | Named Informed Choice product entry | 17 / 20 |
| Safety | Banned-substance screening and allergens disclosed | 14 / 15 |
| Company reliability | Traceable product and certifier records | 8 / 10 |
| Value | Premium isolate pricing | 6 / 10 |
Formula and ingredients
The brand reports 25 g complete protein, more than 6 g BCAAs and 12 g EAAs, with protein from whey isolate and hydrolysed whey isolate. Omitting concentrate improves protein density but does not guarantee a superior long-term result for someone already meeting protein needs.
Laboratory and certification trail
Informed Choice lists R1 Protein Whey Isolate as certified from 12 January 2023. The directory confirms product participation in the banned-substance programme; the visible entry did not provide the same current lot detail observed for Dymatize or NSF-listed products.
Company accountability
Rule One fully discloses the core formula and points to a named external programme. Claims such as “super-pure” are marketing language; the score rests on measurable label composition and the certifier record.
Where this fits
Technically strong for tested athletes or buyers who specifically want isolate-only protein. A mainstream whey blend can be more economical for users without lactose or macro constraints.
Limits and update trigger
ShreddedAF did not verify flavour accuracy, taste or a purchased lot. Re-score if certification, formula or serving size changes.
Evidence register
Source rule: Manufacturer pages establish the current label and claims. Independent certifier directories establish only the specific certification, region and batches they list. Editorial awards never alter the score.
Official product page
No retailer or affiliate relationship is active on this page. Availability, price, formula and certification can differ by country and flavour.
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