Browse the evidence

A 12-week virtual multidisciplinary intensive lifestyle intervention (telemedicine + m-health) produces weight loss and A1C improvements equivalent to an in-person program for patients with type 2 diabetes and obesity.

If you have Type 2 Diabetes and obesity, a 12-week virtual program using telemedicine and health apps can help you lose weight and improve blood sugar just as well as going to a clinic in person. The program involves weekly 2-hour sessions with a team (doctor, dietitian, exercise physiologist, psychologist) where you log your food and exercise, adjust medications, and learn behavioral strategies. You need to be comfortable using technology, as the program relies on apps and remote monitoring.

Bodybuilding coaches recommend protein intakes of 2.0–4.84 g/kg/day, which exceeds the evidence-based recommendation of 1.4–2.0 g/kg/day for general physically active individuals, though this higher range may be necessary for highly muscular competitive bodybuilders.

If you are a competitive bodybuilder, especially if you are enhanced, your coach may prescribe protein intakes between 2.0 and 4.84 g/kg/day. This is significantly higher than the general recommendation of 1.4–2.0 g/kg/day. While general guidelines suggest 1.6 g/kg/day maximizes muscle gain, highly muscular athletes may require more to retain lean mass during contest prep. Distribute this protein across 3–7 meals daily.

Tirzepatide administered at low doses (≤10 mg) for 6 months produces clinically meaningful weight reduction (mean 11.9%) in non-diabetic adults, achieving outcomes comparable to higher doses used in clinical trials.

If you are starting tirzepatide for weight loss without diabetes, you do not need to reach the maximum dose to see significant results. In real-world use, staying on lower doses (like 5mg) for 6 months still resulted in an average 11.9% body weight reduction, which is clinically meaningful.

Real-world use of semaglutide for weight loss (SEMA-WL) in adults with obesity results in median weight loss of 17% after >5 months of treatment, with nausea and constipation being the most common side effects.

If you have obesity and are considering semaglutide, expect significant weight loss (around 17% after 5+ months) but also common side effects like nausea and constipation. Most users find self-injection manageable, though some prefer a pill. Talk to your doctor about managing side effects and setting realistic expectations.

Distributing protein intake evenly across three daily periods (breakfast, lunch, dinner) is positively associated with increased lean mass, upper-body strength, and lower-body strength in healthy women.

For healthy women, try to spread your protein out across breakfast, lunch, and dinner. You don't necessarily need to hit a perfect number at every meal, but aiming for at least 25 grams of protein in at least one meal, or hitting relative targets (0.24 g/kg for <60yo, 0.4 g/kg for ≥60yo) in one or more meals, is associated with better muscle mass and strength. Ensure your total daily protein and calories are adequate, as distribution benefits are observed on top of those totals.

A 3-month dose-escalated resistance training regimen using high-intensity compound exercises is safe and effective for breast cancer survivors, significantly improving body composition, strength, and functional mobility.

If you are a breast cancer survivor, a supervised, high-intensity resistance training program (3x/week for 3 months) is safe and can significantly improve your body composition, strength, and quality of life. Focus on compound movements like squats and deadlifts, progressively increasing the weight, and ensure you are supervised by a qualified professional.

Self-monitoring of diet, physical activity, or weight using digital technology or pedometers results in statistically significant short-term weight loss compared to control groups, though long-term sustainability is uncertain.

Use a digital tool (app, wearable, or web platform) to track your food, activity, or weight. This is one of the most consistently effective single techniques for short-term weight loss. Don't expect it to work forever on its own; combine it with clear goals and regular feedback for best results.

Combining self-monitoring with goal setting significantly enhances weight loss compared to using either technique alone or control groups.

Don't just track your weight; set specific, measurable goals (e.g., 'walk 30 minutes 3 times a week') and use self-monitoring to track your progress. This combination is more effective than tracking alone.

Behavioral commitments (e.g., verbal or written contracts) lead to significant short-term weight loss (pooled 1.52 kg) compared to controls.

Consider making a verbal or written commitment to your weight loss goals. This can create a sense of accountability and has been shown to lead to significant short-term weight loss.

In individuals with chronic spinal cord injury, combining home-based neuromuscular electrical stimulation resistance training (NMES-RT) with daily leucine-enriched whey protein supplementation significantly increases thigh lean mass compared to NMES-RT alone.

If you have a spinal cord injury, doing resistance training with electrical stimulation (NMES) at home is effective for building leg muscle. Adding a daily whey protein supplement (specifically one with leucine) on top of this training yields significantly more muscle growth than training alone. Consistency is key, as adherence was very high in this study.

GLP-1 receptor agonists (GLP-1 RAs) including dulaglutide, subcutaneous semaglutide, and oral semaglutide produce significant weight loss and BMI reduction in patients with type 2 diabetes and obesity, with oral semaglutide achieving the highest proportion of patients reaching the clinically significant ≥5% weight loss threshold.

GLP-1 medications like dulaglutide and semaglutide (oral and injectable) are effective for weight loss in people with type 2 diabetes and obesity. In this study, about half of the patients lost at least 5% of their body weight in just 3 months. Oral semaglutide was the most effective at getting patients to this 5% threshold. However, gastrointestinal side effects are common, and many patients do not reach the maximum dose. If you tolerate the medication, reaching the maximum dose is linked to better weight loss results. Consult your doctor about titration to maximize benefits.

Protein supplementation (specifically whey) reduces musculoskeletal injury rates and missed training days in active-duty military personnel compared to no supplementation, with a dose-response effect observed for two servings per day.

If you are in high-intensity military or tactical training, consuming two servings of whey protein daily (approx. 77g) after training and before bed significantly reduces your risk of injury compared to not supplementing. This benefit was not seen with just one serving, suggesting a threshold effect.

GLP-1 agonist monotherapy (semaglutide or liraglutide) produces significantly greater weight loss and higher rates of achieving >5% and >10% weight loss compared to metformin monotherapy in patients with PCOS and obesity over a six-month period.

If you have PCOS and obesity, GLP-1 medications like semaglutide or liraglutide are likely more effective for weight loss than metformin alone. In this study, most patients on GLP-1 lost over 5% of their body weight, compared to only a quarter of those on metformin. Talk to your doctor about whether these medications are appropriate for you, considering potential side effects and cost.

Personalized Behavioral Weight Loss (PBWL) optimizers (those who achieve ≥5% weight loss) lose significantly more weight than Standard BWL optimizers, suggesting personalization maximizes potential for responders.

If you are a 'responder' to weight loss interventions, personalizing your diet and activity based on your body's feedback (like glucose response) can nearly double your weight loss compared to standard advice. Find your 'best fit' prescription early.

High digital engagement (defined as attending ≥1 coaching session, logging weight ≥4 times/month, and using app features) significantly enhances weight loss efficacy and accelerates milestone achievement in patients treated with dual GIP/GLP-1RA or GLP-1RA, without increasing safety risks.

To get the most out of your GLP-1 or dual GIP/GLP-1RA medication, actively use the digital support tools provided. This means attending at least one coaching session, logging your weight at least four times a month, and interacting with the app's educational features. This level of engagement is associated with losing 4.5% more body weight and reaching your weight loss goals faster, without increasing your risk of side effects. Treat these digital tools as essential parts of your treatment, not optional extras.

Increasing dietary protein and fiber density (g/100 kcal) while reducing total energy intake significantly correlates with greater weight loss in a self-selected dietary weight-loss program.

To lose weight sustainably, do not just count calories. Use a tool to track the density of protein and fiber in your meals. Aim for 7-11 grams of protein and 1.8-3.2 grams of fiber per 100 calories. This approach helps you preserve muscle and stay full while reducing total energy intake.

In overweight or obese adults, greater daily time spent in light-intensity physical activity (LPA) and moderate-to-vigorous physical activity (MVPA) is associated with lower 24-hour mean glucose concentration, greater time-in-range, and less time in hyperglycemia.

If you are overweight or obese, focus on moving more throughout the day, not just during workouts. Even light activity (like walking while on the phone or doing chores) helps keep your blood sugar levels stable. You do not need to be perfectly consistent day-to-day; just getting more total movement in is beneficial.

A two-meals-a-day ketogenic diet significantly improves weight, glycemic control, and lipid profiles in newly diagnosed obese patients with type 2 diabetes compared to a conventional energy-restricted diabetic diet.

For newly diagnosed obese diabetics not on medication, a modified ketogenic diet (2 keto meals, 1 regular meal) at ~1500 calories for 2 months can significantly improve weight, blood sugar, and cholesterol compared to standard advice. Be aware of potential uric acid increases and early hypoglycemia risk.

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.

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.