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7 Terrible Diet Tips You Should Never Follow

This blog uncovers seven popular diet tips that are actually harmful. It explains why these practices are unsafe and offers better, healthier alternatives to support sustainable weight and overall wellness.

  • 13 Nov 2026
  • min read
  • 4 views

A colleague swears by skipping dinner. A cousin has stopped eating roti. Your phone keeps suggesting a juice cleanse. Once you start searching for how to diet for weight loss, advice arrives from every direction, and much of it contradicts itself. Knowing which tips to set aside makes healthy diet choices far easier to spot.

Diet Tips to Avoid

Each tip below is widely shared, and each falls short for a specific reason:

  1. Skip Meals to Lose Weight

    Missing a meal looks like an easy way to eat less. The Indian Council of Medical Research–National Institute of Nutrition (ICMR-NIN) describes two to three regular meals a day as a healthy eating habit.

  2. Cut Out Carbs Completely

    Rice and roti are often the first foods people drop. Yet pulses, vegetables, and fruits also contain carbohydrates. ICMR-NIN suggests 50%–55% of daily calories from carbohydrates, with at least half of your cereals as whole grains such as millets. Fibre in these foods helps you feel full for longer.

  3. Eat Only ‘Low-Fat’ or ‘Sugar-Free’ Foods

    These labels can make a packet of biscuits look like a safe pick. In 2023, the World Health Organisation advised against non-sugar sweeteners for weight control, citing no long-term benefit in reducing body fat. This advice excludes people with existing diabetes. ICMR-NIN suggests reading the full food label before buying.

  4. Follow Extreme Detox or Liquid-Only Diets

    Juice cleanses promise quick results. Research shows that diets severely restricting calories or food types usually do not lead to lasting weight loss and may lack nutrients. Some unpasteurised cleanse juices can also carry harmful bacteria.

  5. Blindly Copy Celebrity or Trendy Fad Diets

    A plan built for a film star may not fit your life. Nutrient needs vary with age, gender, physical activity, and physiological status.

  6. Avoid All Fats Completely

    Fats help the body absorb vitamins A, D, E, and K and supply essential fatty acids. ICMR-NIN suggests getting 20%–30% of daily calories from fat. It advises limiting cooking oil, butter, and ghee, avoiding vanaspati, and consuming nuts, oilseeds, and fatty fish.

  7. Starve Yourself Before Workouts

    Some people exercise on an empty stomach, hoping to burn more fat. Research found that eating beforehand improved performance in aerobic sessions lasting over an hour, with no clear effect on shorter ones. Skipping food before an extended run or match may affect how well you perform.

Why These Diet Tips Don’t Work

Most of these tips remove a food group or cut calories sharply. ICMR-NIN advises eating from at least five to seven food groups daily, as no single food has every nutrient. Among the worst foods for weight loss are those high in fat, sugar, and salt (HFSS) and ultra-processed foods, which ICMR-NIN advises keeping to a minimum.

Conclusion

Several of these tips cut out food groups or calories your body needs. Steadier progress usually comes from regular, varied meals with fewer HFSS foods. A doctor or registered dietitian can help tailor this to your health. Weight-related conditions such as diabetes or gallstones may need hospital care. A health insurance policy can help cover such costs, subject to the terms and conditions of your plan.

FAQs

1. Why do bad diet tips become so popular?

Quick fixes are easy to share and promise visible change within days. ICMR-NIN notes that aggressive marketing of unhealthy foods, including on social media, shapes the food choices of children and adults.

2. Can extreme dieting harm my health?

It can. A review of obesity and gallstone research found that losing more than about 1.5 kg a week raises gallstone risk. NIDDK adds that repeatedly losing and regaining weight may also lead to gallstones, among other risks.

3. What’s the safest way to lose weight?

ICMR-NIN states that weight reduction diets should be balanced and not go below 1,000 kcal a day. The guidelines also recommend 30–45 minutes of moderate physical activity daily.

Related Articles

Healthy Diet Guide: Purpose, Plan & Tips

How To Diet Safely Without Health Risks

Keto Diet Tips & Tricks: Essential Guide for Beginners


Disclaimer: The information provided in this blog is for educational and informational purposes only. It is not intended as a substitute for professional advice, diagnosis or treatment. Please consult a certified medical and/or nutrition professional for any questions. Relying on any information provided in this blog is solely at your own risk, and ICICI Lombard is not responsible for any effects or consequences resulting from the use of the information shared.

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