Polyphenol News and Research

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Low-gluten diets disrupt gut health by depleting key bacteria

Long-term gluten reduction may disrupt gut microbiota balance, reducing beneficial bacteria and increasing ethanol, linked to inflammation and metabolic risks.

24 Jul 2025

Liupao tea improves metabolic syndrome risks in clinical trial

Liupao tea shows promise in improving metabolic syndrome markers, enhancing heart health and gut balance in just three months, according to recent research.

23 Jul 2025

How does olive oil affect gut health?

Could olive oil’s hidden compounds be the key to a healthier gut? New research uncovers how olive-derived bioactives transform our microbiome and may unlock future therapies for digestive and metabolic health.

9 Jul 2025

Coffee’s hidden compounds could help fight type 2 diabetes

A comprehensive review of nearly 150 studies reveals that coffee polyphenols may help regulate blood sugar and reduce inflammation linked to type 2 diabetes. However, most evidence comes from preclinical research, and robust clinical trials are needed to confirm benefits.

29 Jun 2025

Gut microbiome resists major changes from a nut-rich diet

The systematic review highlights that while nuts influence gut microbiota, the effects are modest and vary by nut type, warranting further investigation.

18 Jun 2025

Review shows how extra virgin olive oil transforms heart health

Regular consumption of extra virgin olive oil is linked to lower cardiovascular disease risk, improving heart health through its rich polyphenol content.

2 Jun 2025

Scientists boost black cabbage’s health benefits with targeted fermentation

Controlled fermentation of black cabbage using specific bacterial and yeast starters enhanced its antioxidant, polyphenol, and amino acid content, while ensuring food safety and improving sensory qualities. Yeast-fermented pressed cabbage achieved the highest nutritional gains, with both starter cultures and pressing technique playing key roles in maximizing health-promoting benefits.

28 May 2025

Chokeberry juice reduces blood vessel resistance in people with pre-diabetes

A German crossover trial found that drinking polyphenol-rich red berry juice improved peripheral resistance and helped preserve muscle mass in pre-diabetic adults. No significant changes were seen in glucose control or oxidative stress over the 14-day interventions.

12 May 2025

Curcumin shows promise for treating obesity, inflammation, and neurodegenerative diseases

Researchers explore the medicinal role of curcumin in the treatment and prevention of neuroinflammation and metabolic disorders.

30 Apr 2025

Obesity changes how the gut responds to plant compounds, researchers report

Researchers found that the impact of polyphenols rutin and genistein on the human fecal metabolome varies significantly by body mass index (BMI). Lower BMI individuals showed more diverse metabolic responses, revealing how gut health and obesity could shape polyphenol metabolism.

28 Apr 2025

Walnut consumption linked to reduced inflammation and lower colon cancer risk

There are new findings out about the benefits of eating walnuts. Results from a UConn School of Medicine clinical trial on the cover of the April edition of the journal Cancer Prevention Research show walnuts improve systemic inflammation while also reducing colon cancer risk.

22 Apr 2025

Reducing cardiometabolic risk and inflammation with pomegranate

Pomegranate extract shows promise in lowering systolic blood pressure and inflammatory markers, highlighting its role in promoting healthy aging for adults 55+.

4 Apr 2025

What blueberries do and don’t do for your microbiome and heart

Regular blueberry consumption for 12 weeks enriched Coriobacteriales incertae sedis in the gut microbiota of older overweight adults. However, this microbial shift was not linked to significant improvements in cardiometabolic biomarkers.

31 Mar 2025

This molecule links your diet to stroke and Alzheimer’s—here’s how to stop it

A new review explores how TMAO, a gut-derived metabolite from red meat and other foods, contributes to heart and brain diseases. It also highlights promising interventions—like plant-based diets, probiotics, and nutraceuticals—to lower TMAO levels and reduce health risks.

26 Mar 2025

Why Mānuka isn't the only healing honey from New Zealand anymore

New research from Auckland University of Technology reveals that eight native New Zealand honeys, beyond mānuka, possess unique antioxidant, antibacterial, and bioactive properties. Thyme and beech honeydew stood out for their vitamin C and polyphenol content.

25 Mar 2025

A pecan a day keeps bad cholesterol away

Daily consumption of 57g of pecans for 12 weeks improved cholesterol profiles and diet quality in adults at risk of cardiometabolic disease, without affecting vascular health. Replacing typical snacks with pecans led to higher intake of healthy fats and fiber, and reduced carbohydrate consumption.

24 Mar 2025

What do Blue Zone diets have in common? Polyphenols that may slow aging

Scientists reviewed how polyphenol-rich diets in Blue Zones may help people live longer, healthier lives by targeting biological hallmarks of aging. They call for more research to measure polyphenol intake and test its effects on human longevity.

24 Mar 2025

Mediterranean diet shows promise in easing psoriasis, acne, and hidradenitis suppurativa

A recent review highlights how the Mediterranean diet can reduce inflammation and improve outcomes for chronic skin conditions like psoriasis, acne, and hidradenitis suppurativa by modulating key inflammatory pathways and supporting metabolic health.

19 Mar 2025

Could tea during pregnancy give your baby a brain boost? Research says yes

Maternal tea consumption during pregnancy – particularly in the second and third trimesters – is associated with improved cognitive, fine motor, and gross motor skills in 3-year-olds, while coffee intake shows no significant impact, according to a Chinese cohort study of 1,423 mother-child pairs.

18 Mar 2025

White wine vs. red wine: Which poses a greater cancer risk?

A new meta-analysis finds no overall difference in cancer risk between red and white wine consumption, though white wine may raise skin cancer risk. Both wines are linked to higher breast cancer risk, debunking the myth that red wine is a "healthier" alcoholic choice.

16 Mar 2025