r/ScientificNutrition is a subreddit with 68k members. The most common kinds of discussions are advice requests and solution requests, and the community frequently discusses nutrition, diet, health, protein, and supplements.
Welcome to r/ScientificNutrition!
This subreddit has been created to serve as a neutral ground for exchanging and discussing scientific evidence relating to human nutrition.
Importantly, this sub is not for people to request or provide ANY dietary, nutritional or medical advice.
If you choose to comment and participate in the sub, scientific rigor is expected!
Popular Themes in r/ScientificNutrition
#1
Advice Requests
: "How does this tortilla have 17g of fiber? Am i missing something or can you eat literally two tiny tortillas and meet your daily fiber recommendation?"
2 posts
#2
Solution Requests
: "Created an app to find PubMed citations for any food"
1 post
Popular Topics in r/ScientificNutrition
#1
Nutrition
: "What's the most Nutritionally dense cheap food that people underrate? I'll go first."
88 posts
#2
Diet
: "2026 Dietary Guidance to Improve Cardiovascular Health: A Scientific Statement From the American Heart Association"
88 posts
#3
Health
: "2026 Dietary Guidance to Improve Cardiovascular Health: A Scientific Statement From the American Heart Association"
54 posts
#4
Protein
: "Isocaloric Substitution of Animal Protein with Plant Protein and its Impact on All-Cause, Cardiovascular and Cancer Mortality"
26 posts
#5
Supplements
: "Supplements for cholesterol and blood sugar control - looking for something that targets both"
21 posts
#6
Omega 3
: "8-Year Longitudinal Cohort Study finds Omega 3 supplementation was associated with a significantly better cognitive function and maintainence in Korean older adults compared to non-Omega 3 supplementation users"
20 posts
#7
Diabetes
: "Vitamin D Receptor Polymorphisms and the Effect of Vitamin D Supplementation on Diabetes Risk Among Adults With PreDiabetes"
17 posts
#8
Obesity
16 posts
#9
Cholesterol
: "ACC/AHA Issue Updated Guideline for Managing Lipids, Cholesterol"
15 posts
#10
Aging
: "Plant-based dietary patterns are associated with slower epigenetic Aging"
13 posts
Flair Used in r/ScientificNutrition
#1
Randomized Controlled Trial
: "Positive Impact of a 10-min Walk Immediately After Glucose Intake on Postprandial Glucose Levels"
40 posts
#2
Systematic Review/Meta-Analysis
: "Vitamin D boosts breast cancer treatment success by 79%"
34 posts
#3
Study
: "DASH diet linked to 41% lower cognitive decline risk, outperforming Mediterranean and five other brain-protective diets in 159,347-person comparison"
33 posts
#4
Review
: "Alcohol Intake and Health Study: No Protective Effect at Low Levels, With Mortality Increasing to 1 in 25 at 14 Drinks Per Week"
20 posts
#5
News
: "American Heart Association urges people to favor plant-based proteins, replace full fat dairy"
13 posts
#6
Question/Discussion
: "Were Hunter-Gatherers Healthier Than Modern Humans?"
13 posts
#7
Observational Study
: "The association between omega-3 supplementation and cognitive decline in older adults"
9 posts
#8
Animal Trial
: "High-dose prenatal omega-3 fish oil induces autism-like social deficits and hippocampal glial changes in rat offspring"
9 posts
#9
Scholarly Article
: "RFK Jr: One year of Failure"
7 posts
#10
Cross-sectional Study
: "High Unprocessed Beef Intake (>100 g/d) Linked to Elevated Triglyceride Levels"
6 posts
Member Growth in r/ScientificNutrition
Yearly
+12k members(20.3%)
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Last updated: June 26, 2026