India, Sept. 19 -- Losing weight can feel tougher as you cross 30, with slower metabolism, busy schedules, and changing hormones making fitness a challenge. Fitness coach Lars Meidell shares in his September 18 Instagram post the most effective diet tips to help you shed pounds and stay healthy in your 30s and beyond. (Also read: Fitness coach says 'I look and feel 10 years younger', shares 10 anti-ageing foods he eats daily to stay youthful )

"This is 7,700 calories of chocolate," Lars explains. "But there's also 7,700 calories in 1kg of fat. This means you'd have to eat all of this chocolate on top of your maintenance calories to gain 1kg of fat. Doesn't sound realistic to eat all of this in one day, does it?"

He adds, "So why is it t...