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Syns & Slimming World

How Many Syns in Peaches?

By Jenny Updated

Peaches are one of summer's great pleasures on Slimming World, and the good news is that fresh peaches are completely Free Food. Tuck into as many as you fancy without weighing, measuring, or counting a single syn, which makes them a brilliant choice when you're chasing that satisfying sweet hit without derailing your day. A ripe peach delivers natural sugars wrapped up in fibre and water, so it fills you up far more than a sweet treat of equivalent calories would, and it slots neatly into the Food Optimising approach of building meals around Free Foods first.

Where peaches get tricky is the tinned aisle. Tinned peaches in natural juice carry only a small syn cost, around 2 syns per 100g, which is perfectly reasonable if you want the convenience of a cupboard staple or you're throwing together a quick dessert in winter when fresh stone fruit is hard to come by. Tinned peaches in syrup are a different story entirely. That sugary syrup pushes them up to roughly 5 syns per 100g, and because portions are easy to underestimate when you're spooning them straight from the tin, the syns can stack up alarmingly fast.

The practical advice is simple: always check the label and drain syrup-packed peaches thoroughly if they're the only ones in the cupboard, or better still, opt for the juice version. Frozen peach slices are another sneaky win, often as cheap as tinned and just as free as fresh. Try chopping fresh peaches into porridge, grilling halves with a sprinkle of cinnamon for a fuss-free pudding, or blending them into smoothies with fat-free yogurt for a creamy breakfast that feels indulgent but barely registers on your daily syn allowance.

Per serving

Peaches — syn values

Portion Syns kcal
Fresh peach (1 small, 100g) 0 38
Fresh peach (1 whole, 150g) 0 57
Fresh peach (1 large, 200g) 0 76
Tinned in juice (100g) 2 45
Tinned in juice (half tin, 200g drained) 4 90
Tinned in syrup (100g) 5 92
Tinned in syrup (half tin, 200g drained) 9 184
Frozen peach slices (100g) 0 40
Syn values are based on Slimming World 2026 guidance. Always double-check with your group or app.

Numbers at a glance

Quick auto-calculated stats for Peaches.

FREE
Peaches on Slimming World
no syns to count — eat to satisfaction

Brand breakdown

Popular supermarket and branded products, with the portion-level syn count.

Brand Product Portion Syns kcal
Del Monte Peach Slices in Juice 100g drained 2 45
Del Monte Peach Slices in Syrup 100g drained 5 92
Princes Peach Slices in Juice 100g drained 2 45
Princes Peach Halves in Syrup 100g drained 5 92
Tesco Peach Slices in Juice 100g drained 2 44
Sainsbury's Peach Slices in Juice 100g drained 2 45
ASDA Peach Halves in Light Syrup 100g drained 4 72
Morrisons Frozen Peach Slices 100g 0 40

Lower-syn alternatives

Swaps that keep the feel of the original without the syn hit.

Fresh nectarines

Free

Nectarines are Free Food on Slimming World, just like fresh peaches. They have a similar sweet, juicy flavour with a smoother skin. They work interchangeably in any recipe calling for peaches and are equally delicious grilled, in salads, or eaten straight from the fruit bowl.

Fresh mango

Free

Fresh mango is Free on Slimming World and delivers an even sweeter, more tropical flavour than peaches. It is brilliant in smoothies, chopped into yoghurt, or sliced alongside cottage cheese for a refreshing summer snack with zero syns.

Frozen mixed berries

Free

Frozen berries are Free and make a convenient year-round swap for tinned peaches. Defrost them over porridge or yoghurt for natural sweetness without syns. They are Speed Food too, so they count towards your daily Speed target.

FAQs

How many syns in peaches?

Fresh peaches are completely Free on Slimming World with 0 syns, no matter the size. Tinned peaches in juice are around 2 syns per 100g, while tinned peaches in syrup jump to approximately 5 syns per 100g. Frozen peach slices are also Free at 0 syns. Always check whether tinned varieties are packed in juice or syrup, as the difference is significant.

Are peaches free on Slimming World?

Fresh and frozen peaches are completely Free Food on Slimming World, meaning you can enjoy unlimited amounts without counting syns. Tinned peaches in juice are not Free and cost around 2 syns per 100g, while those in syrup are higher at roughly 5 syns per 100g. For the best value on plan, always choose fresh, frozen, or juice-packed varieties.

Are tinned peaches synned on Slimming World?

Yes, tinned peaches carry syns on Slimming World. Peaches in natural juice are approximately 2 syns per 100g drained, and a half-tin serving (200g) would cost about 4 syns. Peaches in syrup are higher at roughly 5 syns per 100g, with a half-tin at 9 syns. Drain syrup thoroughly or opt for the juice version to keep the count lower.

Can I eat peaches on Slimming World?

Fresh peaches are one of the best snacks on Slimming World because they are completely Free with 0 syns. Eat as many as you like, add them to porridge, blend into smoothies with fat-free yoghurt, or grill halves with cinnamon for a simple pudding. Frozen peach slices are equally Free and great for smoothies year-round.

Lower-syn fruit alternatives

Food Portion Syns vs current
Pineapple Fresh pineapple slice (80g) FREE same
Prunes 3 fresh prunes FREE same

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