Nathan Joseph believes diet regimes like Slimming World aren't sustainable in the long-term – and explained a 'mistake' that many slimmers make when trying them Our community members are treated to special offers, promotions and adverts from us and our partners. You can check out at any time. More info A personal trainer believes people should stop "demonising" certain foods.

Instead of trying to cut products out of your diet, Nathan Joseph urges people to focus on striking a healthy balance instead. By doing this, your healthy regime is likely to last longer as you shouldn't be craving treats. The TikTok star, who is also a fitness guru, listed Slimming World as one of the plans that may not be sustainable in the long-term as it describes some foods as "syns" that should be avoided where possible.

This can be very effective when you first start losing weight. But when you achieve your target and start eating 'normally' again, you can run into problems. Nathan said: "When they tell you this is bad, there's no way you're going to go near sweets, chocolate or crisps.

You're going to be in a really big calorie deficit which means, whilst you are doing Slimming World, it's got a very good chance of making you lose weight. "When you hit your goal weight, you're going to re-introduce these kinds of foods that you've been missing out on for so long because you haven't learnt to balance them in your fat loss journey. "All of the weight is going to come back, which then gives you th.