← All supplements

Blueberry extract

Supplement botanical general nutritionheart & metabolic
Aka: Vaccinium corymbosum, blueberry concentrate
Brands seen in Singapore: California Gold Nutrition, Natural Factors, Nutricost, Life Extension, Micro Ingredients
Not medical advice. Check with your doctor or pharmacist before you start, stop or change the timing of anything you take.
How to use
What it’s for
Vascular measures moved in 14 RCTS; cognition did not
Pros & cons
Pros
  • 14 RCTS, 632 healthy adults were pooled in 2026
  • Flow-mediated dilation rose 1.11% (ci 0.50 to 1.72)
  • Pooled from randomised controlled trials only
Cons
  • No significant effect on executive function or mood
  • Blood pressure did not move: sbp -0.11 mmhg, ns
  • Dose, berry type and duration varied across the trials
Sources
  1. Blueberry consumption enhances vascular function but not cognitive abilities in healthy individuals: a systematic review and meta-analysis (He et al., Nutrition Research 2026) · read 2026-08-27
    what it says
    “we analyzed 14 randomized controlled trials (RCTs) involving 632 participants … blueberry intervention significantly improved flow-mediated dilation (FMD) by 1.11% … Cognitive outcomes showed no significant effect executive function (SMD: 0.21; 95% CI: -0.05, 0.46)”
  2. HSA — Guidelines on Prohibited and Restricted Ingredients in Health Supplements and Traditional Medicines, GL-CHPB-1-012 Rev. No. 001 (Oct 2025), Annex A and Annex B — read from the cached PDF text on disk · read 2026-08-27
    what it says
    “The objective of this guideline is to highlight the substances of concern when used in HS and TM and is not meant to be an exhaustive list.”
  3. HSA — Health Supplements Guidelines, GL-CHPB-3-001 Rev. No. 020 (January 2026), Tables 4 and 5 (vitamins and minerals limits) — read from the cached PDF text on disk · read 2026-08-27
    what it says
    “HS for use by the general adult population should not contain vitamins and minerals exceeding the stipulated limits stated in Tables 4 and 5.”
  4. HSA — Health Supplements Guidelines (January 2026), Table 6: examples of diseases/conditions/disorders not allowed for health supplements · read 2026-08-27
    what it says
    “Brain and nervous system: Epilepsy, fits, paralysis, Alzheimer's disease, Parkinsonism, dementia, neuropathies, drug addictions, depression, eating disorders”
  5. iHerb Singapore — Blueberry Supplement category (default order, 1 - 12 of 12 results) · read 2026-08-27
    what it says
    “California Gold Nutrition, MEM Food, Memory & Cognitive Support … Natural Factors, BlueRich, Super Strength Blueberry Concentrate, 500 mg … Nutricost, Blueberry Extract, 160 mg … Life Extension, Blueberry Extract Capsules … Micro Ingredients, Organic Blueberry Extract Powder”
Report a correction View as JSON

Updated 2026-08-29. Every line above traces to a numbered source. Kozen-X is not a medical device and does not give medical advice. It lists what published sources have written down — nothing more. A pair not listed is unrecorded, not cleared. Before you start, stop or re-time anything, talk to your doctor or pharmacist.