How many syns are in a portion of butter? Your complete guide
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5 min read
A 2025 press release from Slimming World announced that the term 'Syns' would be replaced from January 2026, shifting focus to 'Healthy Fats' for foods like avocado and nuts. Until then, knowing how many syns are in a portion of butter remains crucial for many members managing their intake on the current plan.
