A weight loss plan endorsed by US pop singer Beyoncé “might be harmful,” the British Association for Nutrition and Lifestyle Medicine has informed the BBC’s Victoria Derbyshire programme.
Subscribers to the 22-day plan pay $14 (£11.50) to entry plant-based recipes.
But nutritionist Daniel O’Shaughnessy says the weight loss plan may result in “dietary deficiencies”.
Beyoncé’s coach Marco Borges mentioned the singer was “aware of the significance of correct diet and train”.
The authentic weight loss plan was created in 2013 however the singer is now selling Beyoncé’s Kitchen, the plan she adopted in preparation for her comeback efficiency on the 2018 Coachella pageant after having twins.
A promotional video launched on her YouTube channel final month opens with a clip from her Homecoming movie, exhibiting her stepping on to some scales and saying her weight is “each lady’s worst nightmare”.
The video has been seen 1.7 million occasions.
Beyoncé additionally says to succeed in her objectives she should restrict herself to “no bread, no carbs, no sugar, no dairy, no meat, no fish, no alcohol… and I’m hungry”. She adopted the plan for 44 days.
Her plan was devised by 22 Days Nutrition founder Borges, whom she describes as her “pal, coach, train physiologist and New York Times bestselling writer”.
Mr O’Shaughnessy questioned its said dietary values.
For instance, one of many recipes, a “vegg sandwich” containing 36g (1oz) of protein, truly contained simply 24g, he mentioned.
While one other, a inexperienced smoothie, contained eight teaspoons of sugar.
The NHS recommends males eat 2,500 energy a day and ladies 2,000 – however the weight loss plan provides simply 1,400.
“This is kind of low for anybody, customers will really feel drained and exhausted notably when including within the train,” Mr O’Shaughnessy mentioned.
“It might be harmful for the common individual to observe with out a staff of nutritionists and trainers like Beyoncé has.”
Excluding all animal merchandise with none info on what dietary points the dieter might have to think about, akin to changing vitamin B12, iron or protein consumption, was additionally problematic, Mr O’Shaughnessy mentioned.
And celebrities must be encouraging girls to be comfy with their our bodies.
“Beyoncé is promoting a dream,” Mr O’Shaughnessy mentioned.
“This is worrying as she has quite a few teenage followers who’re simply inclined.
“She is a gateway to thousands and thousands of individuals.”
Beyoncé didn’t responded to a request for remark.
In a press release, Mr Borges, mentioned: “Beyoncé used a mixture of an entire meals plant-based weight loss plan and each day train as a part of her self-discipline and exhausting work with a purpose to attain her private objectives in preparation for her Coachella efficiency…
“She achieved her objectives efficiently and was in a position to present up and provides 100% for a efficiency which required nothing much less.
“She continues to be aware of the significance of correct diet and train as a part of a wholesome and pleased life-style.
“We applaud her and are humbled by her braveness to share her journey with others.”