Is one syn 20 calories? Unpacking the Truth Behind Slimming World's Golden Rule
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4 min read
Approximately 900,000 members attend Slimming World each week, and a common question that arises is whether the simple formula of one syn equating to 20 calories is accurate. This frequently circulated 'rule of thumb' holds some truth but is a significant oversimplification of a much more complex nutritional system designed for sustainable weight loss.