Syns in Actimel Immune System: Complete Slimming World Guide

Updated on 
9 March, 2026

How Many Syns In Actimel Immune System? Is Actimel Immune System High In Syns? - Our SW Syn Guide!

Actimel is a great health drink to add to your daily diet on the slimming world plan, full of beneficial bacteria for the body and vitamins for immune support, but does this drink have syns on the slimming world plan?

How Many Syns In Actimel Immune System?

Actimel has on average 4 syns for one multifruit immune drink, making it pretty high in syns for a small portion, therefore we would recommend having these drinks in moderation at just one a day.

In our guide below, we will discuss why Actimel is high in syns, syn values of actimel and some low syn alternative health drinks from other brands. 

Why Is Actimel So High In Syns? 

At 4 syns for just a small 100g bottle, you might be curious as to why Actimel Danone drinks are so high in syns, allowing you to have up to 4 before consuming all your daily syn allowance. 

Actimel gets its syns from mainly the sugar and flavourings, with the average Actimel having up to 13g of sugar for a very small portion and around a gram of fat.

This is not to say you can’t enjoy an Actimel on the slimming world plan however, they are a very healthy way to spend 4 syns since they are full of health benefits like vitamin D and B.

To save syns we recommend switching to their 0% fat version which only has 1.5 syns a bottle.

Syn Values Of Actimel 

Actimel yogurt comes in a few different flavours and types, as well as non-dairy versions, so to help you stay on track we’ve listed their syn values down below. 

  • Actimel Multifruit 12 x 100g (1.2kg) - 4 syns. 
  • Actimel 100% Dairy Free Mango & Passion Fruit 6 x 100g (600g) - 3 syns. 
  • Actimel Coconut 8 x 100g (800g) - 4 syns. 
  • Actimel Strawberry & Blueberry Yogurt Drink 12 x 100g (1.2kg) Blueberry - 4 syns. 
  • Actimel Supermix Cranberry Redcurrant and Rosehip 12 x 100g - 3.5 sys. 
  • Actimel 100% Dairy Free Blueberry 6 x 100g (600g) - 3 syns. 
  • Actimel 0% Fat Original 10 x 100g (1kg) - 1.5 syns. 
  • Actimel Fat Free Raspberry Yogurt Drink 12 x 100g (1.2kg) - 1.5 syns. 
  • Actimel Vanilla 8 x 100g (800g) - 4 syns. 
  • Actimel Strawberry 4 x 100g (400g) - 4 syns. 
  • Actimel Kids Strawberry Banana Yoghurt Drink 4 x 100g (400g) - 3 syns. 
  • Actimel Kids Peach Yoghurt Drink 4 x 100g (400g) - 3 syns. 
  • Actimel Fruit & Veg Cultured Shot Green Smoothie 6 x 100g (600g) - 2.5 syns. 
  • Actimel Fruit & Veg Cultured Shot Red Smoothie 6 x 100g (600g) - 2.5 syns. 
  • Actimel 0% Fat No Added Sugar Multifruit 8 x 100g (800g) - 1.5 syns.
How Many Syns In Actimel Immune System?

Low Syn Alternatives To Actimel 

If you find Actimels to be too high in syns and you're looking for a low syn alternative, we’ve got you covered with our list of low syn health drinks below.

  • Yakult Fermented Milk Drink 7X65ml - 2 syns. 
  • Yakult Light Milk Drink 7X65ml - 1.5 syns. 
  • Benecol Light Natural Yogurt Drink 6 X 67.5G - 1.5 syns.
  • Biotiful Dairy Kefir Drink Original 1 Litre - 7 syns. 
  • Benecol Yogurt Drink Rasp 6X67.5G - 1.5 syns. 
  • Benecol Blueberry Yogurt Drink 6X67.5G - 1.5 syns.
  • Biotiful Kefir Vanilla Smoothie 500Ml - 7 syns.
  • Biotiful Dairy Kefir Shot Peach & Turmeric 4X100ml - 3 syns.
  • Petit Filous Peach Drinking Yogurt 4X100g - 3 syns. 
  • Tesco Chol Red Apricot & Peach Yogurt Drink 600G - 2.5 syns.
  • Mlekovita Kefir Yogurt Style Drink 1Ltr - 6.5 syns. 
  • Muller Kefir Smoothie Raspberry & Pomegranate 312Ml - 2.5 syns. 
  • Benecol Dairy Free Tropical Drink 6 X 65.5G - 1.5 syns.
  • The Collective Kefir Natural Milk Drink 500Ml - 6 syns. 
  • Nomadic Mango Lassi Yogurt Drink 500Ml - 3.5 syns. 
  • Strings & Things Frollies Strawberry & Banana 4X25g - 4 syns. 
  • Biotiful Dairy Kefir Shot Tea & Acerola 4X100ml - 3 syns. 
  • Pakeeza Mango Lassi 500G - 5 syns for 100ml.
How Many Syns In Actimel Immune System?

Last Words

Overall, Actimel immune support drinks can be high in syns depending on the type you pick, for example, their full-sugar and fat multifruit versions have up to 4 syns while their low fat no sugar have as little as 1.5 syns, these drinks are a healthy way to spend syns no matter the type you choose, however.

Complete Yogurt Drink Syn Comparison Table

Actimel is one of several probiotic yogurt drinks available, but how does it compare on syns? Here's a full breakdown:

Yogurt Drink Serving Size Syns per Bottle
Actimel Original 100ml 3
Actimel 0% Fat Original 100ml 2
Actimel Strawberry 100ml 3.5
Actimel Multifruit 100ml 3.5
Actimel 0% Fat Strawberry 100ml 2.5
Yakult Original 65ml 2.5
Yakult Light 65ml 1.5
Benecol Yogurt Drink Original 67.5ml 2
Benecol Yogurt Drink Light 67.5ml 1

Is Actimel Worth the Syns?

At 2-3.5 syns per tiny 100ml bottle, Actimel is relatively expensive syn-wise for what you get. The bottles are small and unlikely to keep you full. If you're drinking one daily for gut health, that's 14-24.5 syns per week — nearly a full day's syn allowance. You need to decide whether the probiotic benefits justify the ongoing syn cost.

Better Alternatives for Gut Health on SW

Fat-free natural yoghurt is Free on Slimming World and contains live cultures similar to Actimel. Brands like FAGE Total 0% and Muller Light are popular syn-free choices that support gut health without costing any syns. You can also boost your gut health with Free foods like sauerkraut, kimchi, and fermented vegetables. If you specifically want a probiotic drink, Yakult Light at 1.5 syns or Benecol Light at 1 syn are more efficient choices.

Actimel on Slimming World: Tips & Alternatives

If you enjoy Actimel and want to keep drinking it, opt for the 0% fat range to save 0.5-1 syn per bottle. Consider having one every other day rather than daily to halve your weekly syn spend. Some members freeze Actimel bottles for 20 minutes to create a thicker, more satisfying yogurt-like treat that feels more substantial.

For low-syn drink alternatives, consider flavoured water, diet fizzy drinks (all Free), or making your own smoothies with Free fruit and fat-free yoghurt. If it's the sweet, creamy taste you crave, a Muller Light yoghurt pot is Free and far more filling than an Actimel bottle. Check our low-syn desserts guide for more satisfying sweet treats.

Frequently Asked Questions

Is Actimel Free on Slimming World?

No, Actimel is not Free on Slimming World. Even the 0% fat version costs 2 syns per 100ml bottle. The sugar content in Actimel drinks means they must always be synned.

Which is better on SW: Actimel or Yakult?

From a syn perspective, Yakult Light at 1.5 syns per bottle is better value than Actimel at 2-3.5 syns. Both offer probiotic benefits, but Yakult Light gives you gut-friendly bacteria for fewer syns. The best option overall is Free fat-free natural yoghurt, which also contains beneficial cultures.

Can I have Actimel every day on Slimming World?

You can, but it adds up. A daily Actimel Original costs 21 syns per week. Most Slimming World members get 5-15 syns per day (35-105 per week), so a daily Actimel represents a significant chunk of your allowance. Consider alternating with Free yoghurt instead.

Are there any syn-free probiotic drinks?

There are no branded probiotic drinks that are completely Free on Slimming World. However, plain fat-free natural yoghurt is Free and contains live active cultures. You could blend it with Free fruit to make your own probiotic smoothie at zero syns.

📚 Explore More Low Syn Guides

Looking for more syn values? Check out our complete Slimming World Syn Values guide for the full list.

Jennifer
Jennifer is a certified nutritionist and weight loss coach with a Master's in Nutrition from Cambridge. With over 10 years experience, she shares healthy recipes and science-backed slimming tips on SheCooksSheEats to help people reach their wellness goals. Jennifer stays up-to-date by regularly attending conferences and continuing her nutrition education. She aims to provide research-backed advice to inspire balanced, happy living.
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