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Noni

Supplement botanical general nutrition
Aka: Morinda citrifolia
Brands seen in Singapore: Dynamic Health, Earth's Bounty, Doctor's Best, Vitacost, Nutricost
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
No human study has shown a benefit for any condition
Studied for
Noni juice might be safe for up to 3 months — NCCIH
Pros & cons
Pros
  • Lab work shows antioxidant and antimicrobial activity
  • NCCIH says the lab results may warrant further study
  • Long traditional use in the pacific and southeast asia
Cons
  • NCCIH: no benefit shown in people for any condition
  • Liver-toxicity cases followed weeks of juice or tea
  • Substantial potassium — a problem with poor kidneys
Sources
  1. NCCIH — Noni: What You Need To Know (last updated February 2025) · read 2026-08-27
    what it says
    “In laboratory research, noni has shown antioxidant, immune-modulating, antimicrobial, antifungal, and tumor-fighting properties … However, noni has not been shown to have beneficial effects on any health condition in studies of people.”
  2. NCCIH — Noni: What You Need To Know (What Do We Know About Safety?) · read 2026-08-27
    what it says
    “Noni juice might be safe when used for up to 3 months. However, several cases of liver toxicity have been reported … Noni contains a substantial amount of potassium … may be unsafe to take noni along with certain medicines”
  3. 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.”
  4. 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.”
  5. 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
    “Others: Cancers, infectious diseases, inflammatory conditions or diseases … Immune system: Leprosy, AIDS, allergies, immunisation … Digestive system: … hepatitis, liver cirrhosis, fatty liver”
  6. iHerb Singapore — Noni category (default order, 1 - 11 of 11 results) · read 2026-08-27
    what it says
    “Dynamic Health, Certified Organic Noni Juice, 32 fl oz (946 ml) … Earth's Bounty, Tahitian Organic Noni Juice … Doctor's Best, Noni Fruit Powder (650 mg per Capsule) … Vitacost, Noni Fruit … Nutricost, Noni (500 mg per Capsule)”
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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.