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 .
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Latest NERD Articles
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Deep Dive: Low carb diets for type 2 diabetes: beneficial but difficult to maintain
Low carb diets can help people with diabetes lower average blood sugar and lose weight, but the benefits only stick around for the short term.
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Deep Dive: Is there an optimal way to take omega-3s for improved cardiovascular outcomes in people at high risk?
Over 1 gram of EPA a day keeps cardiovascular problems at bay.
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Recovering from osteoarthritis surgery: a joint effort between amino acid supplementation and exercise
Adding amino acid supplementation to mixed-mode exercise may improve pain and preserve muscle compared to exercise alone. More data would be useful, though.
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NERD Mini: Predicting the route of the regain train
Here, we give the lowdown on a secondary analysis of a clinical trial exploring what factors can predict regaining weight.
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Alpha-lipoic acid for taming high triglycerides and boosting weight loss
The good news: R-ALA had a strong effect! The bad news: the effect was causing gastrointestinal problems.
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Deep Dive: Low glycemic index diets for PCOS. Do they work?
Preliminary evidence suggests that low glycemic index diets help with many aspects of polycystic ovarian syndrome. Still, it's hard to say how much of these effects are attributable to glycemic index alone.
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Chromium supplementation for glycemic control in type 2 diabetes
This meta-analysis suggests that chromium may help glycemic control, but the results weren't robust, leaving room for more high-quality evidence.
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NERD News: FDA allows certain cranberry products and dosages to claim that they reduce the frequency of recurrent UTIs in women.
The United States Food and Drug Administration is allowing qualified health claims for specific cranberry products. Emphasis on "qualified."
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Deep Dive: Does calorie restriction reduce blood pressure?
Cutting calories lowers blood pressure in people with obesity, but the effect wanes with time.
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Deep Dive: Investigating the complicated relationship between potassium supplementation and blood pressure
Potassium supplementation can lower blood pressure in moderate doses, but this novel meta-analysis suggests that too much could have the opposite effect.
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Supplementing saffron for rheumatoid arthritis relief
The first human trial examining saffron's effects on rheumatoid arthritis is promising on its face but has some study design issues that leave us concerned.
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NERD Mini: Evidence-based recommendations for reducing Alzheimer’s disease risk
We boil down the main takeaways from a recent systematic review exploring what people can do to reduce the risk of developing Alzheimer's disease.
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D-ribose for diminishing DOMS
D-ribose drops DOMS, but doesn't pack a punch performance-wise.
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The key to berry low blood pressure
Berry supplementation drops blood pressure by a small but clinically significant degree, with cranberry, barberry, and cherry juices having a more clear impact than other fruits and forms. But some types and forms of fruit (especially whole fruits) weren't well-represented in this meta-analysis.
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Deep Dive: Does eating less fat make us less fat?
How much does dietary fat intake impact bodyweight in people not actively trying to lose weight? Here, we cover a recent meta-analysis that explored this question.
