PhD Diet Whey vs Applied Nutrition ISO-XP.
Our independent head-to-head review of PhD Nutrition Diet Whey Protein Powder 1kg and Applied Nutrition ISO-XP 1kg, scored on value, protein density, macros and ingredient quality so you don't have to guess which to buy.
WheyWise verdict
Applied Nutrition ISO-XP 1kg wins for most buyers.
90g protein per 100g - highest in its class
Near-zero carbs and fat for clean macros
Best value per gram of protein on Amazon
Ingredient quality
Ingredients, line by line.
Every ingredient on each label, classified. Approved means nutritionist-positive sources or actives. Neutral is functional (binders, anti-caking, flavouring). Watch flags additives many buyers want to limit.
ApprovedNeutralWatch
PhD Nutrition Diet Whey Protein Powder 1kg
12 total
Applied Nutrition ISO-XP 1kg
5 total
PhD ingredients
12 total- Whey protein concentrate (milk) (75% of blend)
- Soya protein isolate
- Milk protein concentrate
- CLA (conjugated linoleic acid) powder
- Acetyl L-Carnitine
- Green tea extract
- Golden brown flaxseed powder
- Waxy barley flour
- Acacia / guar / xanthan gum (stabilisers)
- Lecithins (emulsifier)
- Salt
- SucraloseWatch
Applied ingredients
5 total- Whey protein isolate (milk) (≈97%)
- Sunflower lecithin (emulsifier, soy-free)
- Fat-reduced cocoa powder
- Flavouring
- SucraloseWatch
Chocolate variant; soy-free formulation across flavours (sunflower lecithin only).
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