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NOW Sports
Whey Protein Isolate, Unflavored
Our analysis — editorial take, not from the label
A two-ingredient isolate — whey isolate plus sunflower lecithin — with 25 g protein in a 28 g scoop and 81 servings per 5 lb tub, ideal for smoothie mixers who don't want sweeteners.
- Protein
- 25 g
- Protein by weight
- 89%
- Source
- whey isolate
- Servings
- 81
Price tier: Mid-range · relative cost per full serving across this database
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This SKU is unflavored and unsweetened (28 g scoop); NOW also sells stevia-sweetened creamy chocolate and vanilla versions with different panels.
Label verified: July 2026 · View label source
Label data
Per full serving · 81 servings per container · from the manufacturer's panel
| Protein per serving | 25 g |
|---|---|
| Serving size | 28 g |
| Protein per scoop | 89% |
| Calories | 110 |
| Total carbohydrate | 1 g |
| Total fat | 0.5 g |
| Source | whey isolate |
| Sweetener | unsweetened |
| Whey protein isolate | 25 g |
| Sunflower lecithin | <1% |
| Proprietary blend | No |
Primary label source: Swanson listing (5 lb panel) · verified July 2026
Cautions
- Contains milk — not suitable for dairy allergy
- Unflavored and unsweetened — expect a plain dairy taste on its own
- Protein powders supplement food, not replace it
Formulated for healthy adults — not intended for anyone under 18. Full health & safety notes
Product details
Where this label sits
NOW Sports Whey Protein Isolate, Unflavored is one of the protein powders in the Scoop Sense database. Every active ingredient on the panel is listed with its own dose — nothing is hidden inside a blend total. It runs 81 servings per container at the full labeled serving. Everything on this page comes from the manufacturer's supplement facts panel as of July 2026 — never from the marketing page.
Key ingredients & studied doses
- Whey protein isolate · 25 g. Single-source isolate studied for supporting muscle protein synthesis; the entire ingredient list is two items.
- Sunflower lecithin · <1%. Added only for mixability — no soy lecithin used.
Flavors & sweetener
This SKU is unflavored and unsweetened (28 g scoop); NOW also sells stevia-sweetened creamy chocolate and vanilla versions with different panels.
Who it's best for
A lean-ratio pick — at least 80% of each scoop is protein, which suits anyone counting calories closely. Derived from the label figures above — not medical advice.
How we log this label
Every entry is built the same way: we read the current supplement facts panel, log each disclosed dose, compare it against the amounts used in published research, flag proprietary blends, and state the cautions plainly. The full methodology explains each step.
This label against the research
How we evaluate labelsEach bar shows the amount commonly used in published human research, and where this label's dose falls against it. Research amounts are context, not a recommendation — they are not doses, and nothing here is medical advice.
-
Protein25 g
At or above the studied amount0studied range 20 g–40 g50 g
Per-meal doses studied for muscle protein synthesis run about 20–40 g of high-quality protein, with the upper half of that range favoured for larger athletes and older adults.
Source: Jäger et al., Journal of the International Society of Sports Nutrition 2017 — “General recommendations are 0.25 g of a high-quality protein per kg of body weight, or an absolute dose of 20–40 g.”
-
Leucine2.7 g
At or above the studied amount0studied range 0.7 g–3 g4 g
The ISSN position stand puts an acute protein dose at 700–3000 mg of leucine, and about 1–3 g per meal as the amount needed to stimulate protein translation. Higher-leucine servings sit at the top of that span rather than beyond it.
Source: Jäger et al., Journal of the International Society of Sports Nutrition 2017 — “Acute protein doses should strive to contain 700–3000 mg of leucine and/or a higher relative leucine content”
Common questions about NOW Sports Whey Protein Isolate, Unflavored
How much of a NOW Sports Whey Protein Isolate, Unflavored scoop is actually protein?
25 g of protein from a 28 g serving — about 89%. The rest is flavoring, fats, carbs, and whatever else the label lists. A higher percentage means less filler per scoop.
Does NOW Sports Whey Protein Isolate, Unflavored disclose every dose?
Yes — the label lists an individual amount for each ingredient, with no proprietary blends. That is what the "label fully disclosed" tag on Scoop Sense means, and it is what lets each dose be compared against the amounts used in published research.