The Nutrition Examination Research Digest (NERD) aims to provide rigorous, unbiased analysis of the latest and most important nutrition and supplementation studies. Click here to subscribe or login if already a subscriber .
Study under review: The effect of zinc supplementation on blood pressure: a systematic review and dose-response meta-analysis of randomized controlled trials
What was the question?
The authors wanted to determine if zinc supplementation could have a significant, beneficial effect on blood pressure in people with hypertension.
Why was the question worth asking?
How was the question answered?
What was the answer?
How much should you trust the answer?
What’s the take-home?
Other Articles in Issue #68 (June 2020)
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Measuring the effects of meal timing on post-meal glucose using high and low GI meals
Eating foods with a higher glycemic index earlier in the day may help with glycemic control...at least in otherwise healthy people.
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Deep Dive: Workouts for NERDs—Boosting cognition through specific types of exercise
According to this meta-analysis, exercise can boost brain power, but some types seem to work better than others.
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NERD Nulls: March-April 2020
Our latest quick summary of nutrition studies that didn't find clear evidence of an effect!
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The relationship between vitamin C supplementation and exercise remains unclear
Vitamin C supplementation could reduce post-exercise inflammation and oxidative stress, which in turn could boost recovery. But more evidence is needed to say whether or not this is the case.
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Low calorie sweeteners: friend or foe in bodyweight management?
Swapping sugar for sweeteners is somewhat slimming sometimes.
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Coffee's effect on vascular health
This meta-analysis aimed to explore the experimental evidence for coffee's impact on vascular health. However, it may have missed its mark.
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Interview: Joel Fuhrman, MD
We chat with Dr. Fuhrman about his latest book, Eat for Life, and the principles of the Nutritarian diet.
