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Wheatgrass

Supplement greens general nutrition
Aka: Triticum aestivum grass
Brands seen in Singapore: California Gold Nutrition, Micro Ingredients, Organic Traditions, Pines International, Amazing Grass
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
A greens juice or powder — clinical evidence is limited
When to take
Trials dosed it daily; no timing has been compared
Pros & cons
Pros
  • No adverse events of wheatgrass have been reported
  • One controlled trial used 60 cc of juice a day
  • Not listed in HSA's prohibited/restricted annexes
Cons
  • Trials were small, with methodological problems
  • Some forms pose problems of tolerability
  • Most benefit claims rest on limited studies
Sources
  1. Bar-Sela et al., Mini Reviews in Medicinal Chemistry 2015 — The Medical Use of Wheatgrass: Review of the Gap Between Basic and Clinical Applications · read 2026-08-27
    what it says
    “compositions varying according to their production processes … all the trials were small and a number of methodological problems arose. No adverse events of wheatgrass have been reported, although some forms pose problems of tolerability.”
  2. Pharmaceuticals (Basel) 2020 — Wheatgrass Juice Administration and Immune Measures during Adjuvant Chemotherapy in Colon Cancer Patients: Preliminary Results (controlled prospective trial, n=100) · read 2026-08-27
    what it says
    “In a controlled prospective trial, 100 stage II-III CC patients were enrolled … all of whom received the same standard postoperative adjuvant chemotherapy, plus consumption of 60 cc WGJ daily in the intervention group.”
  3. Journal of Pharmacy & Bioallied Sciences 2025 — Therapeutic Potential of Wheatgrass Juice: A Comprehensive Narrative Review · read 2026-08-27
    what it says
    “Despite its broad usage, most of the evidence supporting WGJ's benefits comes from limited studies, emphasizing the need for more rigorous scientific validation.”
  4. HSA Singapore — Guidelines on Prohibited and Restricted Ingredients in HS and TM, GL-CHPB-1-012 Rev. No. 001 (Oct 2025), Annex A (118 rows, Abrus to Zinc) and Annex B — both searched, no row for this ingredient · read 2026-08-27
    what it says
    “A list of specific prohibited and restricted ingredients is provided in Annex A … This list is not exhaustive. Dealers are responsible to ensure that their products are safe and appropriate for the target consumers.”
  5. iHerb Singapore — Wheat Grass category (sg.iherb.com/c/wheatgrass 404s; /c/wheat-grass is the live path), default (best-selling) order · read 2026-08-27
    what it says
    “1 - 22 of 22 results … California Gold Nutrition, Superfoods, Organic Wheat Grass Powder … Micro Ingredients, Moringa … Organic Traditions, Superfoods, Wheat Grass Juice Powder … Pines International, Wheat Grass … Amazing Grass, Organic Wheat Grass Powder”
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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.