Browse the evidence

Higher dietary protein intake (1.2 g/kg/d) during weight loss preserves skeletal muscle volume in postmenopausal women with obesity, particularly during the initial 5% body weight loss phase, compared to standard protein intake (0.8 g/kg/d).

If you are a postmenopausal woman losing weight, aim for about 1.2 grams of protein per kilogram of body weight daily. This may help protect your muscle volume, especially in the first few pounds lost. However, do not rely on protein alone. To truly preserve muscle, especially if you lose more than 5% of your body weight, you must incorporate resistance exercise. Protein is a support, not a substitute for movement.

High-Intensity Interval Training (HIIT) performed for 7 weeks leads to significant long-term reductions in body mass, fat mass, and visceral fat area in women with overweight/obesity, even two years after the intervention ends, whereas Time-Restricted Eating (TRE) alone does not significantly reduce these metrics compared to baseline in the long term.

For women with overweight or obesity, incorporating High-Intensity Interval Training (HIIT) into your routine, even just 3 times a week, can lead to significant, lasting reductions in body fat and visceral fat, even two years after you stop supervised training. While Time-Restricted Eating helps with habit formation, it may not be enough on its own for significant fat loss; combining it with HIIT or focusing on HIIT yields better long-term body composition results.

Survodutide, a dual glucagon and GLP-1 receptor agonist, induces significant weight loss in adults with obesity without type 2 diabetes when administered as a once-weekly subcutaneous injection up-titrated to 3.6 or 6.0 mg alongside lifestyle modifications.

This treatment involves a weekly injection that mimics two natural hormones (GLP-1 and glucagon) to reduce appetite and increase energy burn. It is prescribed for adults with obesity who do not have diabetes. To maximize results, patients must follow a reduced-calorie diet and exercise regularly. The dose starts low and increases slowly to minimize stomach upset, which is a common side effect.

An obesity-centric management approach utilizing a weight management program combined with anti-obesity medication (AOM) produces superior weight loss compared to usual glucose-centric care in patients with obesity and type 2 diabetes, while maintaining noninferior glycemic control.

For patients with obesity and type 2 diabetes, adopting an obesity-centric approach that combines a structured weight management program with FDA-approved anti-obesity medications leads to significantly greater weight loss compared to standard glucose-focused care, without compromising blood sugar control. This strategy addresses the root cause of obesity, offering a more comprehensive management plan.

Personalized nutrition significantly reduces HbA1c levels compared to standard control diets in adults with type 2 diabetes or prediabetes, with a median mean difference of -0.925%.

For adults with type 2 diabetes or prediabetes, using personalized nutrition strategies that incorporate individual biological data (like gut microbiome or genetic markers) alongside clinical metrics can lead to greater reductions in HbA1c compared to standard dietary advice. While the evidence quality is currently low due to study variability, the approach shows promise for improving glycemic control.

Behavioral routinization and the ability to overcome self-identified limitations are critical factors for successful weight loss, distinguishing high responders from non-responders.

Focus on building sustainable routines rather than perfection. Identify your specific barriers (e.g., fatigue, convenience) and create specific strategies to overcome them (e.g., gym near work, meal prep). Social support and accountability are also crucial for maintaining these routines.

Combining diet therapy (reduced food intake) and exercise therapy significantly increases the odds of achieving moderate weight loss (≥3 kg but <6 kg) compared to using either therapy alone or no therapy.

If you are obese and want to lose weight, combining dietary changes with exercise is significantly more effective than doing just one. The study shows that doing both increases your odds of losing 3-6 kg significantly compared to doing either alone.

Combining diet, exercise, and medication therapy significantly increases the odds of achieving moderate weight loss (≥6 kg but <10 kg) compared to combined diet and exercise therapy alone.

If you are obese and have tried diet and exercise without achieving significant loss (≥6kg), adding prescribed medication therapy significantly increases your odds of success compared to diet and exercise alone.

High-intensity circuit training (HICT) produces strength and lean body mass gains equivalent to traditional strength training (TS) in trained women when sets are taken close to muscular failure, while significantly reducing total session time.

If you are a trained woman looking to save time, try High-Intensity Circuit Training. Perform 3 sets of 8-15 reps for each exercise with short rest (35s) between sets and longer rest (5min) between circuits. Crucially, you must push close to failure (RPE 8-9) to get the same strength and muscle gains as traditional training, but in less time.

A 16-week behavioral weight loss program adapted for physical disabilities using the GRAIDs framework produces clinically significant weight loss (average 10.9%) and high retention (91.4%) in adults with physical disabilities.

If you have a physical disability, standard weight loss programs may not work for you due to accessibility barriers. However, behavioral programs can be adapted to your needs. Look for programs that offer online options, accessible equipment (like wheelchair scales), and coaches trained in disability inclusion. The SOS Everybody program showed that with these adaptations, you can achieve significant weight loss (around 10%) and stay in the program.

Improving self-efficacy for tracking diet during the first month of a standalone digital weight loss intervention significantly increases both dietary self-monitoring engagement and subsequent weight loss at 3 months.

If you are using a digital weight loss app, focus on building your confidence in your ability to track your food daily during the first month. The study shows that improving this specific confidence early on is directly linked to better tracking habits and greater weight loss by the end of the program. Don't just track; build the belief that you can do it consistently.

Tirzepatide produces significantly greater monthly and annual weight loss, higher patient satisfaction, and improved quality of life compared to Semaglutide and Liraglutide in a Kuwaiti population.

If you are considering GLP-1 therapy for weight loss in Kuwait, Tirzepatide appears to offer the highest weight loss and satisfaction rates compared to Semaglutide and Liraglutide. Be aware that side effects like belching (Tirzepatide) or anxiety (Liraglutide) may influence your choice, and check government facility availability to manage costs.

Combination therapy of sibutramine (10 mg/d) and topiramate (100 mg/d) produces clinically meaningful weight loss (mean 10.2 kg at 36 months) with a tolerable safety profile in real-world clinical settings.

For individuals with obesity who cannot access newer, expensive medications, the combination of sibutramine (10mg) and topiramate (100mg) offers a cost-effective, clinically significant weight loss solution (approx. 10kg over 3 years). It requires medical supervision to manage potential side effects like increased blood pressure or paresthesia, but offers a viable alternative for long-term management in resource-limited settings.

Survodutide, a glucagon receptor/GLP-1 receptor dual agonist, induces significant body weight reduction in people with obesity and type 2 diabetes (T2D) when administered weekly via subcutaneous injection alongside lifestyle modifications.

If you have obesity and Type 2 Diabetes, standard diet and exercise changes often lead to weight regain. This trial investigates a weekly injection (survodutide) that targets both glucose and fat metabolism pathways. It is designed to be taken alongside a modest calorie deficit (500 kcal/day) and 150 minutes of weekly exercise. The dose is slowly increased to minimize stomach side effects, which are common but manageable. This approach aims to provide more durable weight loss than lifestyle changes alone, addressing the specific challenge that T2D can blunt weight loss efforts.

Semaglutide 2.4 mg combined with the WeGoTogether digital support program yields substantial long-term weight loss, with mean percent weight loss reaching -20.4% at 24 months in a real-world setting.

If you have a BMI of 25 or higher, starting semaglutide 2.4 mg and using a digital support app like WeGoTogether can help you lose a significant amount of weight over two years. The app provides reminders, coaching, and tools to help you stay on track. Expect to lose around 20% of your body weight by the end of two years, based on this study's findings.

GCGR-based multi-agonists (mazdutide, pemvidutide, survodutide, retatrutide) produce significantly greater weight loss than existing GLP-1 or GLP-1/GIP therapies by synergistically combining appetite suppression with increased energy expenditure.

If you have obesity and struggle with weight loss despite lifestyle changes, GCGR-based multi-agonists (like mazdutide, retatrutide, etc.) are emerging as highly effective treatments. They work by targeting multiple hormonal pathways to suppress appetite and increase energy expenditure, often resulting in greater weight loss than current GLP-1 drugs. While they are injectable and can cause GI side effects, starting with lower doses and titrating up can help manage these effects. Consult a healthcare provider to see if you are a candidate, especially if you have comorbidities like T2DM or CV disease.

Combining a Very Low-Calorie Ketogenic Diet (VLCKD) with liraglutide produces significantly greater weight loss and metabolic improvements compared to VLCKD alone, primarily through synergistic appetite suppression.

If you are struggling to lose weight with a very low-calorie ketogenic diet alone, adding liraglutide can significantly boost your results. In this study, adding the drug led to nearly 6kg more weight loss over 4 months. Be aware that you are much more likely to experience nausea or constipation, but for most participants, this did not stop them from completing the program. Consult a doctor to see if this combination is safe and appropriate for you, especially given the cost and side effect profile.

Professional athletic status, characterized by structured multidisciplinary training and personalized nutrition, is associated with significantly lower fat mass percentage and higher fat-free mass percentage compared to non-professional athletes.

If you are an athlete, the difference between amateur and pro body composition is significant. Pros have lower fat and more muscle. This isn't just genetics; it's the result of structured, supervised training and personalized diet. If you are not a pro, you can still improve by structuring your training and paying closer attention to your nutrition, even if you can't access a full pro team.

Elite football players should consume 6-8g of carbohydrates per kg of body weight on match days and 48-72 hours between matches to maximize muscle and liver glycogen stores and prevent performance-depleting fatigue.

On match days, aim for 6-8 grams of carbohydrates for every kilogram of your body weight. If you have matches close together (every few days), maintain this high intake for 48-72 hours between games. To avoid stomach issues, use sports drinks or gels rather than trying to force down huge amounts of solid food right before kickoff.

Post-match carbohydrate intake of ~1g/kg body weight per hour for 4 hours is required to maximize glycogen resynthesis and recovery speed.

After a match, eat carbohydrates at a rate of 1 gram per kilogram of body weight every hour for the next 4 hours. If you aren't hungry, drink your carbs using sports drinks or recovery shakes to ensure your muscles refill their energy stores for the next session.

Dehydration of 2% body weight loss impairs football performance, and players should aim to prevent this loss by consuming 5-7ml/kg of fluid 2-4 hours before the match.

To avoid performance drops, do not lose more than 2% of your body weight through sweat. Start hydrating 2-4 hours before kickoff by drinking 5-7ml of water for every kg of your body weight. Check your urine color; it should be light yellow. If it's dark, drink more.

Daily protein intake of 1.6-2.2g/kg body weight, distributed across 3-4 meals of ~0.4g/kg, optimizes muscle protein synthesis and training adaptation in football players.

Eat 1.6-2.2 grams of protein per kilogram of body weight every day. Spread this out over 3-4 meals, aiming for about 0.4g/kg per meal. This ensures your muscles get the signal to repair and grow throughout the day, rather than just at dinner. You don't need supplements if you eat real food.

In sarcopenic obesity, interventions combining resistance training with high-protein diets or amino acid supplementation, or utilizing whole-body electromyostimulation (WB-EMS) with protein, are effective at preserving or increasing muscle mass while reducing fat, whereas standard caloric restriction alone fails to preserve muscle.

For individuals with sarcopenic obesity, simply dieting to lose weight often results in losing muscle along with fat. To preserve muscle while losing fat, you must combine a caloric deficit with resistance training and ensure adequate protein intake. Some studies suggest that adding specific stimuli like whole-body electromyostimulation or amino acid supplementation alongside these interventions may yield the best body composition changes.

Resistance training significantly improves muscle strength, lean mass, and walking ability in older adults with sarcopenia, with optimal cumulative training volumes of approximately 1,043 minutes for muscle strength and 2,716 minutes for walking ability.

For older adults with sarcopenia, resistance training is the most effective non-pharmacological intervention. Aim for a total training volume of about 1,043 minutes to maximize muscle strength and 2,716 minutes to maximize walking ability. This typically translates to moderate intensity (60-80% of your one-rep max) performed 2-3 times per week. Consistency in total training time is key to reversing muscle loss and improving mobility.