Doctor shares warning over 5 'healthy' foods banned from his home

Following a healthy diet can see us met with overwhelming information on what food to eat, what to avoid and what's actually full of bad stuff for us.

Now a weight-loss expert has revealed the five foods he refuses to keep in his kitchen, despite their reputation as 'healthy' choices.

Professor Franklin Joseph, consultant physician and head of Dr Frank’s Weight Loss Clinic, says these items are cleverly marketed as smart diet staples, but often do more harm than good when it comes to fat loss and energy levels.

“These are foods that look healthy, sound healthy and are often marketed as smart choices,” Prof Joseph explained.

“But they’re misleading, and they often make people hungrier, more tired or more likely to overeat.”

Some foods might seem 'healthy' but an expert has warned against them (Getty Images/Kinga Krzeminska)

He's revealed the five foods that might initially appear healthy, but should be avoided:

Fruit juice

While often perceived as a wholesome alternative to fizzy drinks, Prof Joseph warns it’s little more than 'pure sugar in a glass.'

By stripping away the fibre from whole fruit, juices cause rapid blood sugar spikes. Even those labelled 'no added sugar,' he says, can have the same metabolic impact as soda.

Protein granolas

Despite their fitness-friendly branding, many are 'loaded with sugar, seed oils and empty calories,' Joseph said.

The presence of protein may sound appealing, but in practice these cereals often derail weight-loss efforts.

“Just because it says ‘protein’ doesn’t make it good for you,” he cautioned.

Dried fruit

"A handful of raisins has the same sugar hit as a handful of sweets,” he explained. Portion sizes are small, but calorie content is deceptively high.

Fresh fruit, in contrast, provides more volume and fibre, helping with satiety.

Rice Cakes

When it comes to snacking, Joseph urges people to avoid rice cakes. Though low in calories, they provide little nutritional benefit and don't do much to keep hunger at bay.

“People eat them thinking they’re being ‘good’ - then they’re starving an hour later. It’s a false economy,” he said.

Rice cakes were named as one of the foods to avoid (Getty Images/Anna Blazhuk)

Low-fat yogurt

Marketed as a lighter snack, they’re often packed with sugar or artificial sweeteners that disrupt hunger signals. Joseph instead recommends plain Greek yoghurt paired with fresh berries, which offers protein, fibre, and natural sweetness.

So with so many no nos, it might leave us wondering what the doctor does keep in his kitchen.

Avoiding the foods above, instead he focuses on fibre-rich carbohydrates, lean proteins, and plenty of vegetables. Staples include lentils, beans, oats, eggs, lean fish, and seasonal produce.

“I focus on foods that give you energy, keep you full and support your metabolism,” he said.

“If a food makes you hungrier or leaves you tired, it doesn’t belong in your house.”

Joseph emphasises that weight loss isn’t about harsh restrictions, but about making smarter swaps as he said: “It’s about choosing the foods that actually help you feel good and stay consistent."