Whey Protein Powder on Slimming World: Syns & Tips for Enjoying It | She Cooks She Eats - The Healthier Eating Choice (2025)

If you are looking to boost your protein intake while losing weight to help you maintain muscle, you might be wanting to add whey protein powder into your diet, but how many syns does this supplement have?

Whey protein powder has varying syns according to the type you choose and any added ingredients, on average you can expect one scoop of around 25g to have 4-5 syns.

Down below, we've discussed in more detail why whey protein powder can be high in syns, syn values of whey protein powder and some low syn alternative protein powders.

Why Is Whey Protein Powder High In Syns?

At 4-5 syns for 25g, whey protein powder is fairly high in syns for a single serving, a double serving of this protein powder could cost you 10 syns which is most of your 15 syn daily allowance.

Whey protein powder gets most of its syns from whey which is dried milk protein, whey protein can be useful for weight loss when used as a meal replacement since it can help to keep you fuller in between meals.

Syn Values Of Whey Protein Powder

Whey protein has a similar syn value no matter the brand you choose, they can differ slightly however due to other added ingredients and flavourings.

We've listed some syns of this protein powder below.

• MyProtein Impact Whey Protein Powder Vanilla 1kg - 5 syns.
• Optimum Nutrition Gold Standard Whey Protein Strawberry Powder Shake Mix - 5.5 syns.
• PhD Diet Whey Protein Powder Belgian Chocolate 1kg - 4.5 syns.
• PhD Diet Whey Protein Powder Vanilla Creme 1kg - 4.5 syns.
• MyProtein Clear Whey Isolate Powder Peach Tea Flavour 488g - 4 syns.
• Bulk Powders Pure Whey Protein Chocolate 1kg - 6.5 syns.
• Bulk Powders Pure Series Whey Protein Powder Vanilla Flavour 1kg - 6.5 syns.
• MyProtein Impact Whey Protein Powder Unflavoured 1kg - 5 syns.
• MyProtein White Chocolate Impact Whey Protein Powder 1kg - 5 syns.
• PhD Diet Whey Protein Shake Powder Banana Flavour 1kg - 4 syns.
• PhD Diet Whey High Protein Lean Matrix Powder Salted Caramel Flavour 1kg - 4 syns.

Low Syn Alternatives To Whey Protein Powder

If you find whey protein powder to be too high in syns, there are plenty of low-syn alternatives you can try to boost your protein intake, we've listed some options below.

• The Protein Works Vegan Protein Powder Vanilla Creme Flavour 500g - 5 syns.
• MyProtein MyVegan Protein Blend Drink Powder Chocolate Flavour 2.5kg - 5 syns.
• The Protein Works Vegan Protein Powder Chocolate Silk Flavour 1kg - 5.5 syns.
• The Protein Works Vegan Wondershake Powder Double Chocolate Flavour 750g - 4.5 syns.
• MyProtein MyVegan Soy Protein Isolate Powder Chocolate Smooth Flavour 500g - 5 syns.
• MyVegan Clear Vegan Protein Powder Pineapple & Grapefruit Flavour 320g - 3 syns.
• Misfits Vegan Protein Powder Double Chocolate 500g - 4.5 syns.
• Free Soul Vegan Protein Blend Chocolate 600g - 5.5 syns.
• MyVegan Blackcurrant Flavour Clear Vegan Protein 320g - 3 syns.

Last Words

Overall, whey protein powder has on average 4-5 syns for a 25g scoop making it fairly high in syns, a double scoop would cost you 10 syns. Whey protein can be used as a meal replacement to help you stay full and lose weight, to save syns you can also use a vegan protein powder which has around 3-4 syns a scoop.

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