Dr. Rhonda Patrick engagement report

Best tweets

• Aug 31, 20267.3x their median

  Using a HEPA air purifier improved cognitive function by 12% in middle-aged and older adults. And they only used it for a month! That's a meaningful improvement in a short amount of time, all from a simple purchase you can make for your home. https://t.co/4tSjMGMZpx

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• Jul 20, 20265.1x their median

  I don't add bananas to my smoothies. Why? Not because bananas are bad (I love bananas). They contain polyphenol oxidase, an enzyme that can break down polyphenols. And studies suggest that when you add banana to a blueberry smoothie, you may absorb fewer of the beneficial polyphenols from the berries! So instead, I use avocado. It gives the smoothie the same creamy texture with the bonus of monounsaturated fat in avocado, which can increase absorption of carotenoids like lutein and zeaxanthin from kale - nutrients important for eye and brain health. I talked about this recently on my appearance on The Mel Robbins Podcast.

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• Aug 17, 20264.6x their median

  Adults who could successfully stand on one leg for 10 seconds had an 46% lower risk of dying from any cause compared with those who couldn’t complete the test. I find this fascinating because it shows how much information can be captured by a very simple measure of physical function. It’s another reminder that balance is probably a meaningful marker of overall health and resilience, especially as we get older.

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• Aug 24, 20262.5x their median

  This is one of the more concerning consumer-exposure studies I’ve seen in a while. 98% of personal care and household products contained at least one chemical that was not disclosed on the label, including several endocrine-disrupting chemicals such as bisphenols, phthalates, and parabens. 85% contained at least one chemical with a known or suspected health hazard, more than half failed testing because of undisclosed contaminants, and 26% contained chemicals that directly contradicted claims on the label. On average, the products contained more than 3x as many chemicals as their labels disclosed. And this included products marketed as “natural,” “non-toxic,” and “fragrance-free.” I’ve talked for years about reducing unnecessary exposure to endocrine disruptors. But you can’t avoid a chemical if you don’t know it’s there! Ingredient labels alone may simply not be enough at this point. We need much better testing and transparency of the products people are putting on their bodies and using in their homes every single day.

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• Aug 3, 20262.4x their median

  Most people would benefit less from obsessing over 10,000 steps and more from accumulating 10 minutes each day of activity vigorous enough to make them breathe hard. That doesn’t require a formal HIIT workout. Short bursts of vigorous daily activity (climbing stairs, walking uphill, carrying something heavy) or deliberate “exercise snacks” all count.

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• Jul 14, 20262.3x their median

  There are two supplements I always pack when I travel: • Glutamine - My baseline is 5 g/day, but when I’m traveling, sleep-deprived, or exposed to something going around, I’ll increase to 15–20 g/day (split into 5 g doses). Glutamine is an important fuel source for immune cells, and I think it’s especially useful during periods of stress, travel, and immune exposure. • Creatine - I usually take 5–10 g/day, but on travel days, I’ll go up to 15–20 g/day, split into doses. Creatine supports cellular energy metabolism, and the brain is very energy-demanding, especially under sleep deprivation/jet lag.

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• Aug 7, 20262.3x their median

  Exercise literally increases the size of your brain. Older adults who engaged in moderate-intensity aerobic exercise three times per week for one year saw a 2% increase in the size of their hippocampus. Hippocampal volume shrinks 1–2% per year, so a 2% increase is equivalent to adding between 1 to 2 years worth of volume for this age group!

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• Aug 12, 20262.3x their median

  Creatine is a supplement most women should be taking, especially post-menopause. 5 grams/day combined with resistance exercise increases lean mass and muscle strength but has inconsistent effects on bone mineral density. It makes productive training slightly more productive. https://t.co/5QUnlS6Fl7

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• Aug 4, 20261.9x their median

  Regular sauna users appear to develop fewer respiratory illnesses. A new study offers a clue as to why. After a single 30-minute sauna, several white blood cell populations, including neutrophils and lymphocytes, moved into circulation, and the response was similar regardless of participants’ usual sauna habits. One session cannot establish a long-term immune benefit. But in a long-running Finnish study, men using a sauna two to three times weekly had a 27 percent lower risk of pneumonia, asthma, or chronic obstructive pulmonary disease. Among those using one at least four times weekly, the risk was 41 percent lower. A small controlled trial also found roughly half as many common colds among regular sauna users during the final three months of a six-month study. This all suggests that repeated heat exposure may promote immune resilience by briefly mobilizing immune cells while supporting a less inflammatory resting environment over time.

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• Aug 19, 2026

  Berberine has been on my radar for glucose control for years, and this new study caught my attention. People who took a biooptimized form of berberine at just 200 mg/day for 2 weeks saw reductions in fasting glucose, improved glucose tolerance, and a 22-29% increase in fasting and post-meal GLP-1 levels. The GLP-1 finding is particularly interesting because it suggests berberine may influence some of the same incretin biology that has become such a major focus in metabolic health. Berberine isn’t part of my regular supplement routine anymore (I've shifted more toward alpha-lipoic acid), although I still think the evidence for glucose and lipid control is interesting. These results make me interested in seeing larger, independent, longer-term trials of lower-dose, more bioavailable formulations.

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