Best Snacks for Weight Loss UK — High Protein, Low Calorie Options

Snacking gets blamed for weight gain — but the problem is not snacking per se, it is what most people snack on. Biscuits, crisps, and cereal bars are high in sugar and refined carbohydrates, create a blood sugar spike and crash, and produce almost no satiety signal. High-protein, high-fibre snacks do the opposite — they extend the time before the next meal and reduce total daily calorie intake.

Quick answer: The best snacks for weight loss in the UK are: Greek yoghurt (15g protein, ~57 kcal/100g), cottage cheese (11g/100g, ~98 kcal), hard-boiled eggs (6g each, ~70 kcal), tinned fish (25g/100g, ~105 kcal), mixed nuts (5g/30g serving, ~185 kcal), and skyr (11g/100g). Avoid crisps, biscuits, cereal bars (typically 15–30g sugar, minimal protein), and anything marketed as ‘diet’ or ‘light’ that contains artificial sweeteners — these maintain the habit of eating sweet food.

Best snacks ranked by satiety per calorie

Snack	Protein	Calories	Satiety score	Prep
Greek yoghurt (150g, 0%)	15g	85 kcal	⭐⭐⭐⭐⭐	0 min
Cottage cheese (150g)	17g	147 kcal	⭐⭐⭐⭐⭐	0 min
2 hard-boiled eggs	12g	140 kcal	⭐⭐⭐⭐⭐	12 min (batch)
1 tin tuna in water + cucumber	26g	120 kcal	⭐⭐⭐⭐⭐	1 min
Skyr (150g)	16g	95 kcal	⭐⭐⭐⭐⭐	0 min
30g mixed nuts	5g	185 kcal	⭐⭐⭐⭐ (high fat slows digestion)	0 min
Smoked salmon (60g) + oatcake	13g	180 kcal	⭐⭐⭐⭐⭐	2 min
Turkey slices (100g)	30g	135 kcal	⭐⭐⭐⭐⭐	0 min
Edamame (150g, from frozen)	16g	181 kcal	⭐⭐⭐⭐	5 min
Celery + 2 tbsp hummus	5g	110 kcal	⭐⭐⭐⭐ (volume + fat)	2 min

What to avoid — the common snack traps

Snack	Why it fails
Rice cakes	Very high GI, almost no protein or fat, create blood sugar spike followed by crash
Fruit alone	15–25g natural sugar per medium piece with only 1–2g protein — spike and crash without meaningful satiety
Cereal bars (Special K, Nature Valley)	8–18g sugar, 2–5g protein — better than biscuits, but not meaningfully different from sweets for blood sugar
Low-fat flavoured yoghurt	Sugar replaces fat — 15–20g sugar per pot, 5–8g protein. Choose 0% plain Greek yoghurt instead
Crisps	~500 kcal per 100g, 5–7g protein, high GI — worst satiety-to-calorie ratio of any mainstream snack

Frequently Asked Questions

What is the best high protein snack for weight loss UK?

Cottage cheese (17g protein, ~150 kcal per 150g portion), tinned tuna (26g protein, ~100 kcal per tin), and hard-boiled eggs (6g each, ~70 kcal) are the best protein-to-calorie ratio snacks widely available in UK supermarkets.

How many snacks should I have per day on a diet?

The number of snacks is less important than their composition. If snacks are high-protein (15g+ each), they reduce total daily calorie intake by extending fullness. 1–2 snacks per day that close protein gaps are better than 3–4 snacks that add empty calories.