Credit: SWNS / Courtney Luna<br /><br />A mum who was stuck yo-yo dieting for 25 years has lost three stone by eating a "lion diet" of just meat – and says it is the “best thing to happen” to her.<br /><br />Courtney Luna, 39, had tried every diet in the book but found herself constantly slipping up and struggled to keep the pounds from piling on. <br /><br />The-mum-of-two decided to give a ‘lion diet’ a go – only eating meat and animal products – when her husband, Jeff, 41, saw someone doing it on TikTok.<br /><br />She started by also eating fruit but quickly gave this up when she found herself over-indulging on berries.<br /><br />Courtney has a pound of meat a day – typically beef – and snacks on pork rinds, meat sticks, boiled eggs and butter.<br /><br />At her biggest Courtney was 13st 7lbs and a US size large but her carnivore diet has seen her drop to a 10st 3lbs and a US size eight.<br /><br />She credits the diet to cleaning up her acne prone skin and says it is the “best thing” to happen to her.