Browse the evidence

Among Malaysian reproductive-age women (35-49 years), dietary intakes of calcium, magnesium, phosphorus, vitamin K, and vitamin C are not significantly associated with the risk of bone fractures.

For women aged 35-49, ensuring high intake of calcium, magnesium, phosphorus, vitamin K, and C does not appear to statistically lower fracture risk in this population, according to this study. Instead, managing diabetes and avoiding passive smoking are more critical factors for bone health. Focus on overall health management rather than just micronutrient supplementation for fracture prevention.

In vitro digestion of jatobá-do-cerrado flour extracts significantly inhibits alpha-amylase and alpha-glycosidase activity, thereby reducing carbohydrate digestion.

This research suggests that jatobá flour contains phenolic compounds that survive digestion and can inhibit key digestive enzymes (amylase/glycosidase) in a lab setting. While promising for glucose management, this is an in vitro finding and does not confirm clinical efficacy in humans.

Under conditions of oxidative stress, glucose is prioritized for the Pentose Phosphate Pathway (PPP) to generate NADPH for antioxidant defense, whereas glycolysis is suppressed.

When your body is under significant stress (like intense exercise or illness), glucose is used to protect your cells from damage rather than just for energy. This highlights the importance of maintaining adequate glucose availability during high-stress periods.

Mitochondria-targeted antioxidants (e.g., MitoQ, SkQ1) and polyphenols (e.g., Resveratrol) can extend lifespan and improve health in animal models by reducing ROS damage and mimicking caloric restriction effects, but human clinical efficacy is unproven and dosage is critical.

While mitochondria-targeted antioxidants and polyphenols show promise in animals, human evidence is mixed. Do not rely on supplements to replace exercise or healthy eating. If considering supplements like Resveratrol or MitoQ, be aware of poor bioavailability and lack of proven lifespan benefits in humans. Focus on whole-food sources of polyphenols.

Coffee consumption (caffeinated and decaffeinated) is inversely associated with liver fibrosis, abnormal liver function tests, and hepatocellular carcinoma risk in NAFLD patients.

If you tolerate it, drinking coffee (caffeinated or decaf) may help protect your liver from scarring and cancer. It is a simple, low-cost addition to a liver-healthy lifestyle.

Stevia-derived Rebaudioside A improves liver steatosis, fibrosis, and glucose metabolism in NAFLD/NASH models by modulating gut microbiota and reducing oxidative stress.

For individuals with NAFLD or NASH, using Stevia (specifically Rebaudioside A) as a sweetener replacement for sugar may improve liver health, reducing fat accumulation and fibrosis, and improving glucose metabolism. This is achieved through positive changes in gut microbiota and reduced oxidative stress.

Moderate and frequent consumption of coffee is associated with a decreased risk of NAFLD and fibrosis, likely through the stimulation of hepatic stellate cell apoptosis and suppression of collagen synthesis.

Drinking at least one cup of coffee daily (moderate consumption) is associated with a lower risk of developing NAFLD and fibrosis. It may also improve liver function by lowering liver enzyme levels. This benefit is attributed to caffeine and chlorogenic acid.

Positive Allosteric Modulators (PAMs) can significantly reduce sugar content in pastries while maintaining sweetness intensity and avoiding off-tastes.

When buying reformulated pastries, look for those using advanced taste enhancers like PAMs. These allow manufacturers to cut sugar significantly while keeping the product tasting sweet and avoiding the bitter aftertaste common with other sugar substitutes.

Traditional Asian dietary practices, including the consumption of ulam, probiotics from fermented foods, and herbs like curcumin and green tea, reduce dementia risk through anti-inflammatory and gut-brain axis mechanisms.

Incorporate more fermented foods (yogurt, kimchi, miso), herbs like turmeric and green tea, and leafy vegetables into your diet. These support gut health and reduce inflammation, which benefits brain health.

The consumption of cooked and processed foods enhances nutrient bioavailability (e.g., glucose, DHA, antioxidants) and reduces foraging time, which was a prerequisite for the metabolic cost of maintaining a large human brain.

Cooking is not just a convenience but a biological necessity for human brain function. It unlocks nutrients like DHA and antioxidants that are harder to get from raw food. However, modern ultra-processed foods are different from home-cooked food and contribute to obesity.

Short-term creatine supplementation (20g/day for 7 days) does not improve lower-limb muscle endurance or total work volume following an acute bout of aerobic exercise in trained young men.

If you are a trained male eating a high-protein diet, taking 20g of creatine daily for a week will not help you maintain leg strength after a hard cardio session. You likely do not need creatine for this specific purpose if your diet is already adequate.

Specific essential minerals (Calcium, Potassium, Magnesium, Iron) are critical cofactors for immune cell metabolic reprogramming (glycolysis vs. oxidative phosphorylation) and polarization (M1 pro-inflammatory vs. M2 pro-resolution).

Immune cells change their energy usage based on their function (inflammation vs. healing). Essential minerals like Calcium, Potassium, and Magnesium are required for these metabolic switches to function correctly. Deficiencies may lock immune cells in a pro-inflammatory state.

Antioxidants counteract oxidative stress and promote healthy longevity by interrupting free radical propagation and inhibiting their formation, thereby reducing molecular and cellular damage associated with aging.

Focus on maintaining a healthy redox balance through natural antioxidant sources and endogenous defense systems rather than relying solely on high-dose supplements. The paper highlights that antioxidants help scavenge ROS and reduce oxidative stress, which is linked to healthy longevity and reduced risk of age-related diseases.

In adult populations, higher body mass index (BMI) is significantly associated with an increased Firmicutes/Bacteroidetes (F/B) ratio in the gut microbiota, driven by higher relative abundance of Firmicutes and lower relative abundance of Bacteroidetes.

This study suggests that a higher body weight is linked to a specific gut bacteria profile (higher Firmicutes, lower Bacteroidetes). While this doesn't tell you exactly how to change your diet, it highlights that gut health is intertwined with body weight. Focus on a balanced diet that supports diverse gut bacteria, as environmental factors like diet play a significant role in this ratio.

Dietary polyphenols exert protective effects against neurodegenerative diseases (e.g., Alzheimer's, Parkinson's) and aging by scavenging free radicals, inhibiting lipid peroxidation, and modulating cellular signaling pathways.

Incorporate polyphenol-rich foods like green tea (EGCG), berries, and red wine (resveratrol) into your daily diet as part of a long-term strategy to support brain health. While not a cure, these foods may help mitigate oxidative stress associated with aging and neurodegenerative risks.

Nutritional indices such as the Index of Atherogenicity (IA) and Index of Thrombogenicity (IT) provide more accurate assessments of cardiovascular health risks from fatty acid profiles than the general Polyunsaturated/Saturated Fatty Acid (PUFA/SFA) ratio.

When evaluating the heart-healthiness of foods like fish, meat, or dairy, do not rely solely on the total amount of saturated vs. unsaturated fat. Instead, look for products with a low Index of Atherogenicity (IA) and Index of Thrombogenicity (IT). These indices account for specific fatty acids that are more harmful to blood vessels, offering a more accurate assessment of cardiovascular risk than simple fat counts.

The Unsaturation Index (UI) is a comprehensive metric for evaluating the quality of polyunsaturated fatty acids in macroalgae, as it accounts for the degree of unsaturation of different fatty acids.

When evaluating seaweeds as a source of healthy fats, the Unsaturation Index (UI) is a useful metric. It provides a more complete picture of the fatty acid profile by weighting different unsaturated fats based on their double bonds, helping to identify high-quality PUFA sources.

Aging (immunosenescence) leads to a decline in adaptive immunity, particularly a reduction in naive T cells and thymic involution, increasing susceptibility to infections and reducing vaccine efficacy.

As you age, your immune system naturally changes, making you more susceptible to infections and less responsive to vaccines. While you cannot reverse thymic involution, maintaining optimal nutritional status through diet or targeted supplementation may help mitigate some of these age-related immune declines.

n-3 fatty acids may control the cytokine storm in severe respiratory infections like COVID-19 through the metabolism to specialized pro-resolving mediators.

For severe respiratory infections, medical professionals may consider n-3 fatty acids to help manage inflammation, though this is based on evidence from other critical care settings.

Hydroxytyrosol exhibits significant anticancer effects against various cancer cell lines (colon, breast, prostate, etc.) by inducing apoptosis and inhibiting proliferation, primarily through ROS generation and modulation of signaling pathways like PI3K/Akt/FOXO3a and NF-κB.

Hydroxytyrosol shows promise in laboratory studies for inhibiting cancer cell growth, particularly in colon and breast cancer models. However, these are preclinical findings. Do not use HTyr as a substitute for conventional cancer therapy. Maintain a diet rich in olive oil for general health benefits.

Hydroxytyrosol improves metabolic health in non-alcoholic fatty liver disease (NAFLD) and obesity by activating transcription factors (PPAR-α, Nrf2), inhibiting lipogenesis, and reducing hepatic inflammation and oxidative stress.

Hydroxytyrosol may support liver health and metabolic function, particularly in the context of a high-fat diet, by reducing inflammation and fat accumulation. While promising in animal studies, human data is still emerging. Focus on a balanced diet rich in olive oil for best results.

Dietary supplementation with carotenoids (specifically β-cryptoxanthin and astaxanthin) prevents and reverses NASH progression by regulating macrophage/Kupffer cell polarization toward the anti-inflammatory M2 phenotype.

Current research indicates that specific carotenoids, β-cryptoxanthin and astaxanthin, can reverse NASH in mouse models by shifting liver immune cells (Kupffer cells) from a pro-inflammatory state (M1) to a healing state (M2). However, the authors explicitly state there is currently no evidence that these carotenoids exhibit beneficial effects in human patients. Until human trials are conducted, these should be viewed as promising experimental mechanisms rather than established treatments.

Upregulation of SIRT1 activity via STACs or NAD+ boosters (NR, NMN) protects against cardiovascular aging phenotypes including endothelial dysfunction, atherosclerosis, and ischemia-reperfusion injury by modulating transcription factors and antioxidant pathways.

Current research suggests that maintaining NAD+ levels and sirtuin activity may support cardiovascular health and delay age-related decline. While human trials are ongoing, strategies that naturally support NAD+ (like exercise and lean diets) are supported by this mechanism. Be cautious of unproven high-dose supplements, as excessive SIRT1 activation in certain contexts (like high-fat diets) may have adverse effects on lipid metabolism.

SIRT1 plays a complex, context-dependent role in atherosclerosis where tissue-specific overexpression can be protective, but whole-body overexpression in the context of high-fat diets may exacerbate the disease.

Do not assume that boosting SIRT1 (e.g., via high-dose resveratrol or NMN) is always beneficial for heart health, especially if you have existing metabolic issues like high cholesterol or obesity. The paper warns that whole-body SIRT1 activation can worsen lipid profiles in high-fat diet contexts. Consult a physician before using sirtuin activators if you have metabolic syndrome.