Skip to content
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 fruit alternatives

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

Newsletter

Kitchen-tested, inbox-ready.

One weekly email with new syn values, recipes, and honest food reviews. No spam, unsubscribe any time.

Slimming World tools

Free tools to plan, track, and compare your day on plan.