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Protein Isolate Calories
High protein, low fat and carbs
CALORIES
GI
POTASSIUM
FIBER
Protein Isolate Nutrition Facts
Selected: 100 g
370
KCAL / 100G
Carbs
3g
· 3%
Protein
85g
· 94%
Fat
1g
· 3%
Fiber
0g
Protein Isolate Vitamins & Minerals
Vitamins
B2
0.2mg · 15% DV
B1
0.1mg · 8% DV
B12
0.2µg · 8% DV
Biotin
2µg · 7% DV
Minerals
Calcium
120mg · 12% DV
Sodium
250mg · 11% DV
Phosphorus
80mg · 11% DV
Zinc
1mg · 9% DV
Protein Isolate Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
Is Protein Isolate Processed?
NOVA 3
Processed
1. Unprocessed
2. Minimally Processed
3. Processed
4. Ultra-Processed
NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.
Does Protein Isolate Contain Allergens?
Contains these allergens:
Which Diets Is Protein Isolate Good For?
Vegan
— Not suitable
Vegetarian
✓ Suitable
Gluten-Free
✓ Suitable
Dairy-Free
— Not suitable
Mediterranean
✓ Suitable
Paleo
✓ Suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
✓ Suitable
Low FODMAP
— Not suitable
Protein Isolate Fat Profile
SATURATED
0.2g
MONOUNSATURATED
0.3g
POLYUNSATURATED
0.2g
Omega 6:3 ratio 2:1
Below the ideal 4:1 — a good omega balance.
Foods Similar to Protein Isolate
Protein Isolate — Frequently Asked Questions
What is the practical difference between protein isolate and whey concentrate?
Protein isolate is usually filtered more extensively, so it tends to provide more protein with less carbohydrate and fat. People often choose it when they want a leaner protein source or better tolerance than concentrate.
Does protein isolate contain lactose?
Not always in meaningful amounts, but it is not automatically lactose-free. Many isolates contain less lactose than whey concentrate, yet people with milk allergy still need to avoid it because it contains dairy proteins.
Is protein isolate better before or after a workout?
It is most commonly used after training because it is a quick, convenient way to add protein. That said, it can also be useful before training or between meals if it helps you meet your daily protein intake.
Should protein isolate be mixed with water or milk?
Water keeps it lighter and is often preferred when you want a simpler shake. Milk can improve taste and texture, but it also adds extra nutrients and may not suit people who react badly to dairy.
Can protein isolate replace a meal?
On its own, it is not a complete meal because it is usually low in fibre and lacks the variety of nutrients found in whole foods. It works better as part of a meal or snack with foods like fruit, oats, yogurt, or nuts.
Does protein isolate make you gain weight?
No single food causes weight gain by itself; overall calorie intake matters most. Protein isolate can support either muscle gain or weight control depending on how it fits into your total diet.
Is protein isolate bad for the kidneys?
In healthy people, using protein isolate as part of a normal diet is not clearly shown to harm kidney function. Anyone with kidney disease or a medically prescribed low-protein diet should check with a clinician first.
Does heating protein isolate destroy the protein?
Heat can change the protein’s structure, but it does not usually erase the protein content. You can use it in oats, pancakes, or baking, although the texture may become drier or firmer.
How should protein isolate be stored after opening?
Keep it tightly sealed in a cool, dry place away from heat and moisture. Avoid using a wet scoop, because moisture can cause clumping and reduce product quality over time.
Who should be careful with protein isolate?
People with milk allergy should avoid it because it contains dairy. Those who are pregnant, very young, or managing chronic medical conditions should use it more cautiously and ask a healthcare professional if unsure.
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Nutrition data compiled from USDA FoodData Central and scientific sources.