Browse the evidence

Post-exercise intake of approximately 20g of protein reduces time below range (hypoglycemia) following moderate-intensity continuous training (MICT) in adults with Type 1 Diabetes.

If you have Type 1 Diabetes and do moderate continuous exercise (like jogging or cycling), eating about 20g of protein immediately after might help prevent low blood sugar overnight. This benefit was not seen with high-intensity interval training (HIIT). Always monitor your glucose and consult your care team before changing post-exercise nutrition.

Intermittent fasting (IF) promotes weight loss and metabolic health by inducing ketosis, improving insulin sensitivity, and regulating hunger hormones.

Try intermittent fasting, such as time-restricted eating (e.g., 16:8), to promote ketosis and regulate hunger hormones. It can be as effective as caloric restriction for weight loss.

Early Time-Restricted Eating (eTRE) combined with calorie restriction is more effective for weight loss and fat mass reduction than delayed TRE (dTRE) or broader TRE windows.

If you can manage it, shifting your eating window to earlier in the day (eTRE) combined with a calorie deficit yields better weight and fat loss results than shifting it to later in the day (dTRE). However, if early eating is socially unsustainable, any consistent TRE window with a calorie deficit is still superior to no TRE.

Early Time-Restricted Eating (eTRE) with an 8-hour window starting before noon significantly reduces body weight and fat mass while improving glycemic markers (fasting glucose, insulin, HOMA-IR) and triglycerides in young adults with delayed sleep-wake cycles, whereas late TRE (starting after noon) fails to produce these metabolic benefits.

If you are a young adult with a late sleep schedule, try shifting your eating window to start before noon (e.g., 8am-4pm or 9am-5pm) for 4 weeks. Ensure you get about 20g of extra protein daily (via snacks or shakes) to protect muscle. This specific timing appears necessary to reduce fat and improve blood sugar control; starting your window after noon may not yield these metabolic benefits.

A time-restricted eating protocol with a 16-hour fasting window (16:8) significantly reduces body mass and absolute fat mass in metabolically healthy, non-trained individuals, whereas 12-hour and 14-hour fasting windows do not produce significant changes.

If you are healthy and not trying to build muscle, try eating all your meals within an 8-hour window (e.g., 10am to 6pm) and fasting for the other 16 hours daily for 8 weeks. Do not try to restrict calories; just stick to the timing. You may lose fat mass without changing how much you eat, but 12-hour or 14-hour windows likely won't work for you.

Time-restricted eating (TRE) significantly improves cardiometabolic risk factors, specifically reducing insulin, total cholesterol, and LDL concentrations.

Focus on aligning your eating window with your circadian rhythm (e.g., 16:8). This may improve insulin sensitivity and lipid profiles independently of major weight loss, particularly if you have metabolic risk factors.

Lactobacillus sp. supplementation significantly decreases leptin levels and increases adiponectin levels in non-comorbid obese individuals.

Lactobacillus supplementation may help improve your hormonal profile by lowering leptin (which can promote fat storage) and raising adiponectin (which improves insulin sensitivity and fat burning). This hormonal shift supports weight management efforts.

Ketogenic diets are effective for fat mass reduction but are less effective than carbohydrate-rich diets for muscle mass gain, potentially due to reduced testosterone and IGF-1 levels.

If your main goal is to build muscle, avoid ketogenic diets as they may hinder growth. If your goal is fat loss, keto works, but monitor your strength training performance.

Increasing the regularity of meal times (reducing mealtime variability) leads to significant weight loss without requiring calorie restriction or changes in macronutrient composition.

Use a smartphone app to track your meals for two weeks to identify your most frequent eating times. Then, create a personalized schedule that restricts your meals to those specific times for six weeks. Do not worry about changing what or how much you eat; focus only on making your meal times consistent and regular. This approach led to an average weight loss of 2.6 kg in the study without calorie counting.

Personalizing meal schedules to an individual's chronotype (specifically aligning meal times with their mid-sleep phase) enhances weight loss effectiveness compared to generic regularity.

If you have a flexible schedule, try to align your main meals with your natural sleep rhythm. If you are a 'night owl', your optimal eating window might be later than the standard 9-5 worker's. The study suggests that correcting large discrepancies between your workday and weekend eating times (meal jet lag) can boost weight loss.

Intermittent fasting (IF) produces weight loss comparable to continuous calorie restriction while offering superior improvements in insulin sensitivity and lipid profiles through a metabolic switch to ketone-based energy.

Intermittent fasting is a viable weight loss strategy that works as well as traditional calorie counting but may offer better metabolic benefits like improved insulin sensitivity. You can choose from several methods: eating normally on 2 days and restricting calories on 2 others (5:2), alternating between fasting and eating days (ADF), or limiting your daily eating to an 8-hour window (16:8). The key is consistency and allowing your body to switch from burning glucose to burning fat (ketones). Start with a protocol that fits your lifestyle, such as 16:8, and adjust based on your hunger and energy levels.

Empiric vitamin D supplementation is recommended for children/adolescents (1-18 years), adults ≥75 years, pregnant individuals, and those with high-risk prediabetes to prevent specific adverse outcomes, whereas supplementation beyond Dietary Reference Intakes (DRI) is not recommended for healthy adults under 75.

If you are pregnant, over 75, have high-risk prediabetes, or are a child/teen, take daily vitamin D (typically 600-3500 IU depending on group) via food or supplements. If you are a healthy adult under 75, stick to the standard Dietary Reference Intake (600-800 IU) and do not test your levels or take extra doses, as there is no evidence it prevents disease in you.

Drug repurposing using agents such as metformin (implied by insulin sensitizers), pioglitazone, empagliflozin, sitagliptin, liraglutide, statins (simvastatin, atorvastatin), and N-acetyl cysteine shows supporting data for managing PCOS by targeting insulin resistance, hyperandrogenism, and oxidative stress.

If lifestyle changes are insufficient, discuss repurposed medications with your doctor. Options include insulin sensitizers (like metformin or pioglitazone), SGLT2 inhibitors (empagliflozin), GLP-1 agonists (liraglutide), statins, and N-acetyl cysteine. These target underlying metabolic and hormonal issues.

Consumption of carbohydrates with a high glycemic index (GI) shortly before bedtime reduces sleep latency (time to fall asleep) by increasing insulin-mediated tryptophan transport to the brain, whereas high-GI diets consumed chronically increase the risk of insomnia.

If you struggle to fall asleep, try eating a carbohydrate-rich meal (like pasta or rice) about 4 hours before bed. The resulting insulin spike helps tryptophan enter your brain, potentially speeding up sleep onset. However, do not make high-sugar/refined carb foods your daily staple, as this chronic pattern increases the risk of developing insomnia.

Women with PCOS should be assessed for cardiovascular disease risk factors, including lipid profiles and blood pressure, regardless of age or BMI, due to increased risk of cardiovascular disease and mortality.

If you have PCOS, get your cholesterol and blood pressure checked at diagnosis and annually thereafter, even if you are young and have a healthy weight. This is standard care for PCOS, not optional.

Personalized medicine, utilizing genetic screening and pharmacogenomics, improves diabetes management outcomes by tailoring treatment plans to individual genetic makeup, lifestyle, and health characteristics, thereby optimizing medication choices and reducing adverse reactions.

If you have diabetes, ask your doctor about personalized medicine options. This might include genetic testing to predict your risk or response to specific drugs, and using technologies like Continuous Glucose Monitors (CGM) to get real-time feedback. The goal is to move away from a standard 'one-size-fits-all' approach to a plan tailored to your specific genetics and lifestyle, which can reduce side effects and improve long-term health.

Continuous Glucose Monitoring (CGM) and closed-loop 'artificial pancreas' systems significantly enhance glycemic control and reduce hypoglycemia risk by providing real-time data and automated insulin delivery.

If you use insulin, ask your doctor about Continuous Glucose Monitoring (CGM). These devices track your blood sugar 24/7 and can even automatically adjust insulin delivery (artificial pancreas). This reduces the risk of dangerous low blood sugar and helps you maintain better control without constant finger pricks.

Personalized glycemic targets, adjusted for age, comorbidities, and hypoglycemia risk, improve patient outcomes by minimizing severe hypoglycemic events and enhancing quality of life, compared to rigid standard targets.

Work with your doctor to set a blood sugar target that is right for YOU. If you are older or have other health issues, a slightly higher blood sugar target might be safer to prevent dangerous lows. This personalized approach improves your quality of life and reduces hospital visits.

Excessively frequent (6+ times/week) and intense physical activity is a risk factor for insomnia and difficulty initiating sleep in some populations.

If you exercise 6+ times a week at high intensity, monitor your sleep. If you experience trouble falling asleep, consider reducing frequency or intensity. Leisure-time walking does not show this negative association.

Zinc supplementation appears to enhance thyroid hormone levels, particularly T3, and may help treat subclinical hypothyroidism associated with zinc deficiency.

If you have hypothyroidism or fatigue, check your zinc levels. Correcting a zinc deficiency may improve thyroid hormone levels, particularly T3.

Astragalus improves intestinal barrier function and immunity by modulating intestinal microbiota, thereby treating Type 2 Diabetes Mellitus (T2DM).

For individuals with T2DM, incorporating Astragalus (specifically its polysaccharides, saponins, and flavonoids) may support gut health and insulin sensitivity. The herb works by improving the intestinal barrier and modulating gut bacteria to reduce inflammation and improve glucose metabolism. Consult a healthcare provider before use, especially if taking other diabetes medications.

Astragalus polysaccharides (APS) improve T2DM outcomes by increasing the abundance of beneficial bacteria (e.g., Bifidobacterium, Lactobacillus) and short-chain fatty acids (SCFAs), while reducing insulin resistance.

Astragalus Polysaccharides (APS) may help manage blood sugar by promoting the growth of good gut bacteria. These bacteria produce short-chain fatty acids that improve insulin sensitivity. This suggests that gut health is a key part of managing T2DM, and Astragalus may support this process.

In obese patients with Alcohol Use Disorder (BMI > 30 kg/m2), exenatide significantly reduces heavy drinking days and total alcohol intake.

If you have Alcohol Use Disorder and are obese (BMI > 30), weekly exenatide injections may significantly reduce your heavy drinking days and total alcohol intake. This benefit was not seen in non-obese patients in this study, suggesting that metabolic health is a key factor in the drug's efficacy for addiction.

Dietary interventions including capsaicin, n-3 polyunsaturated fatty acids, and intermittent fasting promote white adipose tissue browning and metabolic efficiency, whereas a Western diet inhibits this process.

To support metabolic health and fat burning, prioritize a diet rich in specific functional foods like capsaicin (found in chili peppers) and n-3 polyunsaturated fatty acids (found in fish oil). Additionally, consider incorporating dietary patterns like intermittent fasting or calorie restriction, which are shown to favor the browning of white fat. Avoid Western-style diets high in processed foods, which disrupt this process.