Browse the evidence

Protein intake for female elite football players should be optimized at 1.2-1.4 g/kg body weight per day, focusing on quality and distribution (e.g., 0.3 g/kg per meal) rather than supplementation.

Aim for 1.2-1.4 grams of protein per kilogram of body weight daily, spread across 4 meals (approx 0.3 g/kg per meal). Focus on high-quality sources like dairy, eggs, or meat to ensure complete amino acid profiles. Protein supplements are likely unnecessary if you eat enough whole foods.

Glucagon-like peptide-1 receptor agonists (GLP-1RA) such as liraglutide and semaglutide induce significantly greater weight loss and reduce hepatic fat content compared to lifestyle modification and first-generation anti-obesity drugs.

If you have obesity, Type 2 Diabetes, or fatty liver disease (MASLD), GLP-1 receptor agonists like semaglutide or liraglutide are currently the most effective pharmacological treatments for weight loss, outperforming lifestyle changes alone and older weight-loss drugs. They work by targeting brain centers to reduce appetite and also directly reduce liver fat. While they can cause side effects like nausea, their ability to improve metabolic health and liver disease makes them a superior option for many patients, though adherence to the regimen is critical.

Whey protein supplementation (60g/day) combined with resistance exercise significantly increases muscle mass and selective muscular strength/endurance compared to placebo, even when total caloric and macronutrient intake from meals is strictly controlled.

If you are doing resistance training, adding 60g of whey protein daily (split into 3 doses) can help you build more muscle and strength than training and eating a controlled diet alone. This benefit exists even if you are already eating enough calories and protein from your regular meals, suggesting the specific properties of whey (fast absorption, high essential amino acids) provide an extra edge.

Tirzepatide (TZP) administration in adults with overweight or obesity significantly reduces total fat mass and visceral adipose tissue compared to baseline, placebo, and other anti-obesity medications like dulaglutide and semaglutide.

Tirzepatide is a highly effective treatment for reducing body fat and visceral fat in people with overweight or obesity, outperforming other common medications like semaglutide and dulaglutide in fat reduction metrics. However, users should be aware that significant fat-free mass (muscle) loss also occurs, though the net benefit of fat reduction remains superior. Treatment involves weekly injections, typically titrated up to 15mg over several months.

Orforglipron, an oral non-peptide GLP-1 receptor agonist, demonstrates efficacy comparable to injectable GLP-1 RAs with fewer dosing restrictions, achieving up to 2.10% HbA1c reduction and 9.6% weight loss.

Orforglipron is an oral, non-peptide GLP-1 receptor agonist that offers a convenient once-daily dosing without the strict food and water restrictions of other oral GLP-1 RAs. In Phase 2 trials, it achieved significant HbA1c reduction (up to 2.10%) and weight loss (9.6%), comparable to injectable options. It is currently in Phase 3 trials.

Cardiac rehabilitation involving moderate-intensity endurance exercise (≥150 min/week) combined with resistance training (3 sessions/week) improves functional capacity, cardiovascular risk factors, and weight loss in patients with obesity.

If you have obesity and cardiovascular risk, aim for 150 minutes of moderate exercise (like brisk walking) and 3 days of resistance training (weights) per week. This is a standard recommendation to improve your heart health and fitness. Start slowly and consider a supervised program if you have existing heart conditions.

Weight loss of ≥10% sustained over the long term reduces atrial fibrillation burden and improves arrhythmia-free survival in obese patients.

If you have atrial fibrillation and obesity, losing at least 10% of your body weight and keeping it off can significantly reduce your AF symptoms and recurrence. This requires a comprehensive approach to managing your overall health, not just weight loss alone.

Bariatric surgery reduces major cardiovascular events, particularly coronary artery disease, and mortality in overweight and obese heart failure patients compared to non-surgical weight management.

For obese patients with heart failure or coronary artery disease, bariatric surgery can significantly reduce major cardiovascular events and mortality compared to non-surgical weight management. It should be considered as part of a comprehensive management plan.

Adherence to a Mediterranean diet improves hepatic steatosis and insulin resistance in NAFLD patients, even in the absence of significant weight loss.

Adopt a Mediterranean-style eating pattern focusing on low-glycemic carbohydrates, healthy fats (olive oil, nuts), and high fiber. This approach improves liver fat and insulin sensitivity independently of weight loss, making it a viable strategy even if you struggle to lose weight through caloric restriction alone.

Improving adherence to DASH or Healthy Eating Index (HEI) dietary patterns in young adults (ages 17-22) significantly reduces the risk of developing prediabetes or type 2 diabetes over a 4-year period.

If you are in your late teens or early twenties, focusing on improving your overall diet quality—specifically by following DASH or HEI guidelines—can significantly lower your risk of developing prediabetes. You don't need a perfect diet; even small, consistent improvements in your score (like eating more vegetables, whole grains, and less sodium/sugar) over a few years can reduce your risk of prediabetes by up to 64% if you improve your DASH score. This is a critical window to establish healthy habits before metabolic issues become entrenched.

Higher adherence to the DASH diet is inversely associated with adiposity measures, including BMI, body fat percentage, and visceral adipose tissue (VAT), in young adults.

Improving your DASH score not only helps your blood sugar but also helps manage body fat and visceral fat. By focusing on the components of the DASH diet (more fruits, vegetables, whole grains, low-fat dairy, less sodium and saturated fat), you can naturally support a healthier body composition without necessarily needing to restrict calories aggressively.

Dietary fiber intake influences gut microbiota composition and short-chain fatty acid generation, which decreases inflammation and supports gut barrier maintenance, thereby potentially lowering type 2 diabetes risk.

Eat a high-fiber diet rich in minimally processed plant foods like whole grains, vegetables, fruits, legumes, nuts, and seeds. This promotes gut bacterial diversity and produces beneficial fats (SCFAs) that reduce inflammation and support your gut barrier. Because your unique gut bacteria determine how you respond, start slowly if you are not used to high fiber.

Subcutaneous semaglutide (1.0 mg weekly) produces significantly greater weight loss and improvements in metabolic markers (BMI, waist circumference, HbA1c, fasting glucose, systolic BP) compared to other GLP-1 receptor agonists (liraglutide, exenatide, dulaglutide) in patients with type 2 diabetes.

For patients with Type 2 Diabetes seeking weight loss, subcutaneous semaglutide (1.0 mg weekly) is a more effective option than other common GLP-1 agonists like liraglutide or dulaglutide. It leads to greater reductions in body weight, BMI, and waist circumference, as well as better improvements in blood sugar (HbA1c) and blood pressure. While gastrointestinal side effects like nausea are common, they often decrease over time, and the metabolic benefits are substantial.

Tirzepatide (a dual GLP-1/GIP agonist) is more effective than semaglutide (1.0 mg weekly) for inducing weight loss and improving metabolic markers in patients with type 2 diabetes.

If semaglutide does not provide sufficient weight loss or metabolic control, switching to tirzepatide (5-15 mg weekly) may offer significantly greater benefits. Tirzepatide, which targets both GLP-1 and GIP receptors, has been shown to produce larger weight reductions and better improvements in blood sugar and blood pressure compared to semaglutide in patients with Type 2 Diabetes.

Telemedical coaching combined with automated monitoring significantly improves long-term weight loss and cardiometabolic health in overweight individuals compared to monitoring alone or routine care.

To lose weight sustainably, combine self-monitoring with human support. Use a smart scale and pedometer that automatically upload your data to a portal. Crucially, engage with a coach weekly via phone to discuss your data, set goals, and stay motivated. This combination of technology and personal accountability is more effective than tracking alone.

Reducing total energy (calorie) intake is the primary and necessary strategy for weight management, regardless of the specific macronutrient source.

To lose weight, you must consume fewer calories than you burn. This is the primary rule. While choosing nutrient-dense foods (whole foods, complex carbs, healthy fats) is highly recommended for metabolic health and sustainability, the act of reducing total calories is the main driver of weight loss, regardless of whether you cut carbs or fats first.

Prioritizing whole or natural foods over highly or ultraprocessed foods is highly recommended for weight management and metabolic health.

Choose whole or natural foods over highly or ultraprocessed options. This recommendation is based on evidence that ultraprocessed foods lead to significantly higher calorie consumption (approx. 500 kcal/day more) compared to unprocessed foods, making weight management much harder.

Dietary composition should favor complex carbohydrates over simple sugars and be enriched in monounsaturated and polyunsaturated fatty acids rather than saturated fats.

Optimize your macronutrient quality by choosing complex carbohydrates (e.g., whole grains, vegetables) over simple sugars, and prioritizing monounsaturated and polyunsaturated fats (e.g., olive oil, nuts, fish) over saturated fats. This composition is supported by abundant evidence for metabolic health.

High-fiber diets protect intestinal barrier integrity by upregulating tight junction proteins (ZO-1, occludin, claudin-3) via short-chain fatty acids (specifically butyrate), thereby reducing the risk of obesity and metabolic disorders.

Eating a diet rich in fiber helps your gut barrier stay strong by producing butyrate, which repairs the seals between gut cells. This reduces inflammation and lowers obesity risk. Start with moderate fiber to avoid bloating, and focus on fruits, vegetables, and beans.

High-protein diets promote long-term weight loss and prevent weight regain by increasing satiety, enhancing metabolic rate, and altering gut microbiota to favor beneficial species (Akkermansia, Bifidobacterium), while also upregulating tight junction proteins like occludin and ZO-1.

Increasing protein intake to about 18% of your daily calories can help you lose weight, keep it off, and strengthen your gut barrier. It changes your gut bacteria to be healthier and increases satiety. If you have kidney issues, talk to a doctor first.

Indoor team sport athletes (volleyball, basketball, handball, futsal) consistently fail to meet official nutritional recommendations, specifically exhibiting significant under-consumption of energy and carbohydrates alongside over-consumption of fats.

If you play indoor team sports, you are likely eating too much fat and not enough carbs or total calories, even if you feel you are eating 'healthy'. To optimize performance, you must prioritize carbohydrate intake to match your high-intensity demands and ensure total energy intake meets your expenditure to preserve muscle mass.

Training to momentary muscular failure induces significantly higher acute neuromuscular fatigue and repetition loss compared to training with 1-2 repetitions in reserve (RIR).

If you are sensitive to fatigue or have limited recovery capacity, you can reduce the frequency of failure training without losing muscle gains. Training with 1-2 reps in reserve significantly reduces acute fatigue and repetition loss between sets compared to going to failure, potentially allowing for better performance on subsequent exercises or sessions.

Clinical guidelines for NAFLD universally recommend lifestyle modification, specifically weight loss of 5-10% via caloric restriction and exercise, as the primary management strategy.

Focus on losing 5-10% of your body weight through a daily calorie deficit of 500-1000 calories and regular exercise. This is the standard recommendation across major health guidelines.

Lifestyle interventions (diet and exercise) reduce the incidence of type 2 diabetes in individuals with prediabetes, but the benefit is primarily established for those with Impaired Glucose Tolerance (IGT) and may not apply to those with isolated Impaired Fasting Glucose (IFG).

If you have prediabetes, lifestyle changes are your first line of defense. Aim for 150 minutes of moderate exercise per week and a healthy diet. Even if you don't lose the full 7% of your body weight, just meeting the exercise goal can significantly reduce your risk of developing type 2 diabetes.