Syns in A Protein Shake: Complete Slimming World Guide

Updated on 
9 March, 2026

How Many Syns In A Protein Shake? Are Protein Shakes High In Syns? - Our Guide!

If you are looking to lose weight but want to maintain muscle, you might be interested in protein shakes while using the slimming world diet, but how many syns do they have?

Protein shakes do not have set syns, since they vary according to brand and flavour, but on average you can expect them to cost you around 5 syns, which is 100 calories for one scoop.

How Many Syns In A Protein Shake?

We've put together an article below which will explain whether or not protein shakes are good for you in slimming world, some syn values from varying brands as well as some tips to naturally get protein into your diet on the plan.

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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2 comments on “Syns in A Protein Shake: Complete Slimming World Guide”

  1. Just wanted to say thanks for this. I've just started SW but Ibve always used protein shake so its great to see how this fits in

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