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Best Protein Powder

PhD Nutrition

Diet Whey

PhD Nutrition Diet Whey is a whey blend protein powder with 20 g of protein per 1 scoop (32 g). It scores 53/100 on the TBPP Quality Score. It is Informed Protein.

Informed ProteinProprietary blend
Our score
53/100
Methodology v1.0
Protein
20g
1 scoop (32 g)
Sugar
0.9g
Per serving
Protein by weight
63%
Price
—
Not verified

Nutrition per serving

Belgian Chocolate flavor, from the label.

Nutrition per serving
Serving size1 scoop (32 g)
Protein20 g
Calories123
Carbohydrates3.9 g
Sugar0.9 g
Fat2.7 g
SodiumNot verified
Protein by weight63%
LeucineNot verified
BCAAsNot verified

How it scored

53 of 100 points. How we score

CriterionPointsWhy
Protein density14 / 3063% of each scoop is protein
Third-party testing15 / 25Independently tested for contaminants or label accuracy
Label transparency10 / 20uses a proprietary blend
Sugar10 / 100.9 g sugar per serving
Ingredient simplicity0 / 10Flavor system not verified
Verified label data4 / 56 of 7 label values verified

Formula and label

Formula and label
TypeWhey Blend
Protein sourcesWhey Protein Concentrate, Soy Protein Isolate, Milk Protein Concentrate
Third-party testingInformed Protein
SweetenersSucralose
Proprietary blendYes
Added free amino acidsNo
DietaryVegetarian
AllergensMilk, Soy, Barley (Gluten)
Made byPhD Nutrition · UK
Sold atphd.com

Price

We could not verify a current U.S. price.

Sizes: 1 kg, 2 kg

Flavors (7)

  • Belgian Chocolate
  • Vanilla Creme
  • Strawberry
  • Salted Caramel
  • Banana
  • Caramelised Biscuit
  • Peaches & Yoghurt

Sources

Nutrition from the Belgian Chocolate typical values on PhD's official product page (per 32 g: 515 kJ/123 kcal, fat 2.7 g, sat 1.3 g, carbs 3.9 g, sugars 0.9 g, fibre 1.7 g, protein 20 g, salt 0.38 g). The label gives salt rather than sodium, so sodium_mg is left null. No amino acid profile is published. Belgian Chocolate ingredients: 'PhD Premium Protein Blend (75%)' (WPC with lecithin, soya protein isolate, MPC; proportions undisclosed, hence contains_proprietary_blend is true), waxy barley flour, fat-reduced cocoa, golden flaxseed, acacia, guar and xanthan gums, flavourings, CLA powder (safflower oil, milk), acetyl-L-carnitine, green tea extract, sodium chloride and sucralose. The barley flour is a gluten cereal, and the product may also contain egg and other gluten cereals. Because of the soy isolate and added carbohydrate, this is a diet blend rather than a pure whey. The brand page states 'Informed Protein certified' and 'suitable for vegetarians'. Informed Protein was not cross-checked on the certifier site (the web search budget ran out). Brand page price: from £34.99 GBP, and no USD price was verified. Sizes 1 kg and 2 kg come from the page's size selector.

Good to know

Last checked 2026-10-13. Labels change, so check the package before buying if you have allergies. If you are pregnant, nursing or buying for a child, ask your doctor before adding a supplement.

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Smart Protein Powder

Milk Protein · 30 g scoop
No third-party testing found
Protein
18g
Sugar
0.6g
Our score
48/100
Price not verifiedChecked 2026-10-14