BulkSupplements Whey Protein Isolate, Unflavored, 1 kg (33 Servings)
25 g of whey isolate protein per 30 g serving
$56.97
In stock · price checked November 12, 2026
Free shipping on orders over $35
33 servings · $1.73 a serving · $1.73 per 25 g of protein
NSF Certified for Sport
NSF lists this unflavored isolate, and its sizes include 1 kg.
Buy nowOur take
BulkSupplements Whey Isolate has two ingredients on the label: whey protein isolate and sunflower lecithin. A serving is 4 tablespoons, 30 g, with 25 g of protein.
There is no flavor and no sweetener, and the label shows 0 g of carbs and 0 g of sugar. The 1 kg bag has 33 servings, so $56.97 is $1.73 a serving.
For a flavored isolate, Legion Whey+ in French Vanilla is $1.98 a serving and has an NSF/ANSI 173 listing (see below). The unflavored whey page covers more plain options.
Key facts
| Protein per serving | 25 g (4 tablespoons, 30 g) |
|---|---|
| Protein source | Whey protein isolate |
| Ingredients | Whey protein isolate and sunflower lecithin |
| Flavor | Unflavored, no sweetener |
| Size | 1 kg bag, 33 servings |
| Carbs and sugar | 0 g carbs, 0 g sugar per serving |
| Testing | NSF Certified for Sport, listing 1797161 (unflavored; sizes 100 g, 250 g, 500 g and 1 kg) |
Common questions
How much protein is in BulkSupplements Whey Isolate?
25 g in each serving of 4 tablespoons, which is 30 g, on the 1 kg label.
Is BulkSupplements Whey Isolate tested by an outside group?
Yes. NSF Certified for Sport lists the unflavored isolate, and its listing covers the 1 kg size.
How much does BulkSupplements Whey Isolate cost a serving?
It was $56.97 on November 12, 2026. That is $1.73 a serving over 33 servings, or $1.73 per 25 g of protein. Momentous, also unflavored, was $2.80 a scoop with 20 g of protein.
What is in it besides whey isolate?
Only sunflower lecithin.
Other tested protein
Momentous Grass-Fed Whey Isolate, unflavored (25 servings)
$69.99 · NSF Certified for Sport · grass-fed isolate, $2.80 a scoop with 20 g of proteinBuy now
Legion Whey+ Grass-Fed Whey Isolate, French Vanilla (30 servings)
$59.50 · NSF/ANSI 173 · flavored isolate with 22 g of protein, $1.98 a scoopBuy now