Foods / Freshwater fish

Prawns: Nutrition and who it suits

Prawns are a good choice for weight loss, PCOS, diabetes and menopause. 100 g has 91 kcal and 19.2 g of protein. One serving is one small portion (100 g), about 91 kcal.

A close-up of fresh raw prawns

Numbers worked out by Poshan Labs from IFCT 2017 (ICMR-NIN), using the rules on How the ratings work. Last updated 26 October 2026.

Nutrition per 100 g

NutrientPer 100 g
Energy91 kcal
Protein19.2 g
Carbohydrate0 g
Fibre0 g
Sugars0 g
Fat0.5 g
Zinc1.4 mg
Magnesium39.2 mg
Potassium269 mg

Where its calories come from

94%
  • Protein 94%
  • Carbohydrate 0%
  • Fat 6%

Worked out from the protein, carbohydrate and fat above, at 4, 4 and 9 kcal a gram.

How many calories in one serving of prawns?

About 91 kcal for one small portion (100 g), and about 182 kcal if you have two.

One serving, against your day

How much of an adult woman's daily need one serving (100 g) fills.

42%Protein
19.2 g
11%Zinc
1.4 mg
11%Magnesium
39.2 mg
8%Potassium
269 mg
5%Calcium
48.5 mg
3%Iron
0.8 mg

Source

Source: Indian Food Composition Tables 2017, National Institute of Nutrition (ICMR), food code S008. Daily need is from ICMR-NIN Nutrient Requirements for Indians 2020, adult woman, moderate activity.

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Are prawns good for weight loss, PCOS, diabetes and menopause?

Weight loss

Good choice

21.2 g of protein per 100 kcal helps you stay full and keep muscle.

PCOS and PCOD

Good choice

Almost no carbohydrate in a 100 g serving.

Diabetes

Good choice

Almost no carbohydrate in a 100 g serving.

Menopause

Good choice

19.2 g of protein in a 100 g serving helps you hold on to muscle.

Weight lossGood choice21.2 g of protein per 100 kcal helps you stay full and keep muscle.
PCOS and diabetesGood choiceAlmost no carbohydrate in a 100 g serving.
MenopauseGood choice19.2 g of protein in a 100 g serving helps you hold on to muscle.

These ratings come from the numbers alone. On a free call, Puja looks at what fits your reports. How the ratings work.

Varieties

Per 100 g.

VarietykcalProtein (g)Fat (g)
Big (shown above)9119.20.5
Small7113.10.8

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