Browse the evidence

Supplementation with 150 mg/day of quercetin for 6 weeks significantly reduces systolic blood pressure (SBP) in overweight or obese adults with high cardiovascular disease risk traits, with the effect being most pronounced in younger adults (25-50 years) and those with (pre-)hypertension.

If you are overweight or obese and have risk factors for heart disease (like high blood pressure or cholesterol), taking 150mg of quercetin daily for 6 weeks may help lower your systolic blood pressure by a few mmHg, especially if you are under 50. This is not a substitute for medication or lifestyle changes, but it may offer a small additional benefit. Note that it did not significantly change other lipid markers or inflammation in this group.

Adhering to a low-fat vegan diet significantly reduces dietary acid load (measured by PRAL and NEAP), which is independently associated with greater reductions in body weight, fat mass, and visceral fat compared to a control diet, even after adjusting for energy intake.

To lose fat and improve metabolic health, focus on a whole-food, plant-based diet that is low in fat. This approach naturally lowers your dietary acid load, which the study links to better insulin sensitivity and greater fat loss than just counting calories. You don't need to count calories strictly, but you should avoid animal products and added oils, and ensure you take a B12 supplement.

Nicotine replacement therapy (specifically gum) and bupropion significantly delay or reduce post-cessation weight gain compared to placebo.

Use nicotine gum or bupropion if you are worried about gaining weight after quitting. These treatments help reduce the amount of weight you gain and increase your chances of staying smoke-free.

Weight reduction significantly lowers fasting plasma triglyceride and cholesterol levels, with the magnitude of reduction directly proportional to the initial triglyceride level.

If you have high triglycerides, losing weight is a highly effective treatment, especially if your levels are currently very high. You do not need to reach a 'normal' weight to see significant improvements in your blood lipid profile; even modest weight loss (around 11 kg on average in this study) can drastically lower triglycerides and cholesterol. The key is sustained caloric restriction leading to weight loss, not necessarily achieving a specific 'ideal' body weight.

Lifestyle modification (diet and exercise) restores ovulation and reproductive potential in obese women with PCOS primarily through improved insulin sensitivity and reduced LH, independent of significant weight loss.

If you have PCOS and are struggling with infertility, focus on sustainable diet and exercise changes rather than rapid weight loss. Even small improvements in your diet and activity levels can significantly improve your insulin sensitivity and hormone balance, potentially restoring ovulation and pregnancy chances without needing to lose a large amount of weight.

Low-intensity resistance exercise (20% 1-RM) combined with blood flow restriction (200 mmHg) significantly increases muscle protein synthesis and S6K1 phosphorylation, mimicking the anabolic signaling of high-intensity training.

If you cannot lift heavy weights due to injury or age, use blood flow restriction cuffs on your limbs while performing light resistance exercises (around 20% of your max). This combination triggers the same muscle-building signals (mTOR/S6K1) as heavy lifting, allowing for muscle protein synthesis without the joint stress.

Liraglutide monotherapy significantly improves glycemic control (reducing A1C and fasting plasma glucose) and lowers body weight in patients with type 2 diabetes without causing hypoglycemia.

For patients with Type 2 Diabetes, Liraglutide is a once-daily injection that effectively lowers blood sugar (A1C) and promotes weight loss without the risk of dangerous low blood sugar levels. While gastrointestinal side effects like nausea are common initially, they tend to subside, and the clinical benefits for glycemic control and weight management are significant.

Daily vitamin D supplementation of 800-1,000 IU improves balance and muscle strength in older adults, whereas lower doses or single large doses are less effective.

If you are over 60 and looking to maintain balance and muscle strength, ensure you are taking 800-1,000 IU of Vitamin D daily. Standard lower doses (like 400 IU) or taking it as a single large monthly shot may not provide these specific physical benefits. Consistency (daily dosing) appears more important than a single large dose.

Pre-exercise ingestion of essential amino acids or protein, alone or combined with carbohydrates, maximally stimulates muscle protein synthesis and promotes greater strength gains compared to placebo or carbohydrate-only interventions.

If you lift weights, eat 20-35 grams of protein (or essential amino acids) mixed with carbohydrates about 30-60 minutes before your workout. This timing helps drive amino acids into your muscles while blood flow is high, stimulating protein synthesis during the exercise itself and leading to greater strength gains over time compared to just eating carbs or nothing.

Ingesting carbohydrates or carbohydrates combined with protein during resistance exercise offsets muscle glycogen decrements, reduces markers of muscle damage, and promotes greater training adaptations (strength and muscle cross-sectional area) compared to placebo.

If your resistance training session is long (over 40 minutes), consider drinking a carbohydrate solution (6% concentration) during the workout. This helps maintain your energy levels and reduces muscle damage, leading to better strength and muscle gains over time.

Prescription omega-3 fatty acids (EPA+DHA or EPA-only) at a dose of 4 g/d reduce triglycerides by 30-35% in patients with very high triglycerides (≥500 mg/dL) and by approximately 27% in those with high triglycerides (200-499 mg/dL).

If you have high triglycerides, ask your doctor about prescription omega-3s (like Vascepa or Lovaza) taken at 4 grams per day. These are different from store-bought supplements because they are held to stricter FDA standards. They can lower your triglycerides by about 30%, but you should also focus on lifestyle changes like losing weight, limiting alcohol, and managing blood sugar.

Women metabolize zolpidem significantly slower than men, resulting in 50% higher serum levels and increased risk of next-day impairment, necessitating a halved recommended dosage for women.

If you are a woman prescribed zolpidem (Ambien), ensure your doctor prescribes the lower, FDA-recommended dose (typically 5mg). This is because your body clears the drug more slowly than men's, leading to higher levels in your blood and a higher risk of next-day drowsiness or impairment. Do not assume the standard male dose is appropriate for you.

Substituting whole-grain products for refined-grain products significantly decreases the risk of developing type 2 diabetes mellitus in women.

To lower your risk of type 2 diabetes, replace refined grain products (like white bread, white rice, and regular pasta) with whole-grain alternatives (like whole-grain bread, brown rice, and oats). Aim for at least 2-3 servings of whole grains daily. This substitution works by slowing down digestion, which prevents sharp spikes in blood sugar and reduces the strain on your pancreas.

Low-intensity resistance training (20% 1RM) combined with moderate blood flow restriction induces muscle hypertrophy and strength gains comparable to high-intensity training (80% 1RM) by significantly decreasing myostatin (MSTN) gene expression and increasing inhibitory regulators (FLST, GASP-1, SMAD-7).

If you cannot lift heavy weights due to injury or joint issues, you can still build muscle size and strength by using very light weights (20% of your max) combined with blood flow restriction (using a specialized cuff). This method triggers the same muscle-building signals (specifically by lowering myostatin) as heavy lifting, resulting in similar gains in muscle size and strength over 8 weeks.

Exercise training improves insulin sensitivity in insulin-resistant individuals by increasing lipid oxidation and reducing intramuscular lipid species (ceramides and diacylglycerol) that inhibit insulin signaling.

If you are insulin resistant, your muscles might be storing fat in the wrong places (like inside the muscle cell), which blocks insulin. Regular exercise helps your muscles burn this fat for energy. This 'cleaning' process removes the specific fats that block insulin signals, making your body more sensitive to insulin over time.

Aerobic exercise consistently increases HDL-C levels (including protective HDL2-C subfractions) and reduces triglycerides, serving as a viable non-pharmacological intervention for dyslipidemia.

Commit to aerobic exercise at least 3 times a week for 30-45 minutes. You do not need to lose weight for this to improve your HDL (good cholesterol). Moderate intensity is sufficient for most people, though higher intensity may be needed for specific triglyceride goals in some cases.

GLP-1 receptor agonists (e.g., liraglutide) produce significant weight loss (up to 10 kg) in humans, primarily by reducing energy intake and increasing energy expenditure, and are currently the most promising pharmacological class for treating obesity.

GLP-1 medications like liraglutide are effective for weight loss, potentially reducing body weight by up to 10 kg over two years. They work by mimicking gut hormones that signal satiety. While they are currently used for diabetes, higher doses are being tested for obesity. Consult a doctor to see if this treatment is appropriate for your specific health profile.

Subcutaneous self-administration of oxyntomodulin (400 nmol, three times daily, 30 minutes before meals) for 4 weeks significantly reduces body weight in overweight and obese subjects by reducing energy intake without altering subjective food palatability.

For overweight or obese individuals, a 4-week trial of subcutaneous oxyntomodulin (400 nmol, 3x daily before meals) can lead to significant weight loss (~2.3 kg) by reducing food intake without making food taste worse. While injections are required and nausea is a potential side effect (manageable by dose adjustment), compliance was high in this study. This suggests that mimicking natural satiety hormones is a viable, specific anti-obesity strategy compared to broader neurotransmitter drugs.

Significant weight loss in morbidly obese patients induces a decrease in circulating inflammatory proteins CRP and IL-6, which is associated with an improvement in insulin resistance.

For morbidly obese individuals, significant weight loss—whether through surgical intervention or substantial lifestyle changes—can significantly reduce chronic inflammation (measured by CRP and IL-6). This reduction in inflammation is linked to improved insulin sensitivity, suggesting that weight loss is a critical step in mitigating cardiovascular and metabolic risks associated with obesity.

Supplementation with 20 g/day of inulin-propionate ester (IPE) or inulin for 42 days improves insulin sensitivity in adults with overweight and obesity compared to cellulose.

If you have overweight or obesity, adding 20 grams daily of either inulin or inulin-propionate ester (IPE) to your diet for about six weeks can improve how your body handles insulin compared to eating non-fermentable fiber. You can split the dose into two 10-gram servings mixed into your food. While both work similarly for insulin sensitivity, IPE specifically reduces inflammatory markers, whereas inulin changes gut bacteria differently. Consult your doctor before starting, especially if you have existing digestive conditions.

Resistance exercise induces the expression of PGC-1α4, a splice variant that promotes muscle hypertrophy by inducing IGF1 and repressing myostatin, whereas endurance exercise does not significantly induce this variant.

If your goal is to increase muscle size (hypertrophy), prioritize resistance training (heavy loads, fewer reps). This specific type of exercise triggers the PGC-1α4 pathway, which boosts growth factors like IGF1 and reduces muscle inhibitors like myostatin. Endurance exercise does not trigger this specific growth pathway.

GLP-1 receptor agonists promote weight loss, whereas DPP-4 inhibitors are generally weight-neutral, making GLP-1RAs more suitable for obese T2D patients.

If you have Type 2 Diabetes and struggle with weight, a GLP-1 injection is likely to help you lose weight while controlling blood sugar. You may experience nausea when starting, but this usually improves. DPP-4 inhibitor pills are an alternative if you cannot tolerate injections or side effects, but they will not help with weight loss.

GLP-1 receptor agonists (GLP-1RAs) such as liraglutide and exenatide effectively treat Type 2 Diabetes by enhancing insulin secretion and inducing weight loss, serving as a pharmacological alternative to bariatric surgery.

If you have Type 2 Diabetes and struggle with weight, GLP-1 medications like liraglutide or exenatide are proven to help your body produce more insulin and lose weight. They are a viable alternative to bariatric surgery, offering similar benefits without the surgical risks. Consult your doctor to see if this class of medication is appropriate for you.

Consumption of whole yellow pea flour or fractionated pea flour (hulls) reduces postprandial glucose and insulin responses and improves insulin resistance (HOMA-IR) compared to wheat flour controls.

To improve insulin sensitivity and manage blood sugar, substitute some wheat flour with whole yellow pea flour or pea hull fiber in your baking and cooking. Studies show that replacing wheat with pea flour (providing ~50g of carbs from the pea source) significantly lowers post-meal insulin and glucose spikes compared to wheat flour. This is particularly beneficial for those who are overweight or have high cholesterol.