Issue #71 (September 2020)

• 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.
• D-ribose for diminishing DOMS
  D-ribose drops DOMS, but doesn't pack a punch performance-wise.
• 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.
• Nulls: July-August 2020
  A round-up of some recent nutrition and supplementation studies that didn't find any clear effect.
• 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.
• 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.
• 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.
• Deep Dive: Does calorie restriction reduce blood pressure?
  Cutting calories lowers blood pressure in people with obesity, but the effect wanes with time.

Researchers

Wyatt Brown; Dylan T. Dahlquist, MSc, CSCS; Antonis Damianou, MSc; Brad Dieter, PhD; Rachel Hathcock, BSN, RN, CCRA; Nick Milazzo, MS(c); Katherine Pett, MS, RDN; Thomas Reichhart, MSc; Brandon Roberts PhD, MS, CSCS; Lucas Roldos Saibene, BSc, MSc(c); Jill Ryer-Powder, PhD; Lucas Tafur, PhD

Editors

Gregory Lopez, MA, PharmD

Reviewers

Stephan Guyenet, PhD & Adel Moussa, PhD

Copy Editor

Dmitri Barvinok

Infographics

Antonius Khengdro & Calla Lee