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Ginger

Supplement botanical gutbone & joint
Aka: Zingiber officinale, gingerol
Brands seen in Singapore: California Gold Nutrition, NOW Foods, The Ginger People, Life Extension, Nature's Way
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
Nausea is the best-studied use; knee data are weaker
When to take
Daily
Studied for
Pregnancy nausea trials ran 4 to 21 days
Pros & cons
Pros
  • NCCIH: used safely in many oral research studies
  • Pooled trials: nausea scores improved vs placebo
  • Meta-analyses used 1–3 g a day, or 0.5–1.5 g for nausea
Cons
  • Vomiting episodes did not fall against placebo
  • Most motion-sickness trials showed no benefit
  • Heartburn, gut upset and mouth irritation are reported
Sources
  1. NCCIH — Ginger (What Have We Learned: nausea and vomiting), last updated February 2025 · read 2026-08-27
    what it says
    “Ginger has been studied for several types of nausea and vomiting. Most of the studies tested dietary supplements rather than foods. Research shows that ginger may be helpful for nausea and vomiting associated with pregnancy.”
  2. NCCIH — Ginger (What Have We Learned: motion sickness and other uses) · read 2026-08-27
    what it says
    “Most studies of ginger for motion sickness haven't shown it to be helpful. It's uncertain whether ginger is a helpful addition to standard treatments for nausea and vomiting associated with cancer chemotherapy”
  3. NCCIH — Ginger (What Have We Learned: knee osteoarthritis) · read 2026-08-27
    what it says
    “Ginger dietary supplements might be helpful for symptoms of knee osteoarthritis, but much of the research has been of poor quality. Ginger used topically … has not been shown to be helpful for knee osteoarthritis symptoms.”
  4. NCCIH — Ginger (What Do We Know About Safety) · read 2026-08-27
    what it says
    “Ginger has been used safely in many research studies where it was taken orally (by mouth) as a dietary supplement. Ginger products may also be safe for topical use.”
  5. NCCIH — Ginger (Safety: side effects) · read 2026-08-27
    what it says
    “Ginger can have side effects such as abdominal discomfort, heartburn, diarrhea, and mouth and throat irritation when taken orally.”
  6. NCCIH — Ginger (Safety: pregnancy and breastfeeding) · read 2026-08-27
    what it says
    “The use of ginger dietary supplements during pregnancy may be safe. As with all herbal supplements, if you're considering using ginger while pregnant, consult your health care provider. Little is known about whether it's safe to use ginger while breastfeeding.”
  7. NCCIH — Ginger (Safety: medicines) · read 2026-08-27
    what it says
    “If you take any type of medicine, talk with your health care provider before using ginger or any other herbal products; some herbs and medicines interact in harmful ways.”
  8. Pharmacological properties of ginger (Zingiber officinale): what do meta-analyses say? a systematic review (Paudel et al., Front Pharmacol 2025) — doses used · read 2026-08-27
    what it says
    “Ginger was typically administered at doses of 1–3 g/day for anti-inflammatory, antioxidant, and antidiabetic effects, and at 500–1,500 mg/day (in divided doses up to 2–5 times daily) for managing NVP symptoms”
  9. Paudel et al. 2025 — pooled results for nausea and vomiting in pregnancy (Viljoen et al. meta-analysis, 12 RCTs, 1,278 women, 4–21 days) · read 2026-08-27
    what it says
    “Ginger significantly improved the symptoms of nausea when compared to placebo … Ginger did not significantly reduce the number of vomiting episodes during NVP, when compared to placebo … Duration: 4–21 days”
  10. HSA — Guidelines on Prohibited and Restricted Ingredients in HS and TM, Version 1 (Oct 2025), Annex A and Annex B — searched, no row for this ingredient · read 2026-08-27
    what it says
    “A list of such ingredients and recommended risk mitigation measures can be found in Annex B. This list is not exhaustive. Dealers are responsible to ensure that their products are safe”
  11. iHerb Singapore — Ginger Root Supplements category (default order, 1 - 48 of 96 results) · read 2026-08-27
    what it says
    “California Gold Nutrition, Silymarin Complex, 120 Veggie Capsules … NOW Foods, Ginger Root, 550 mg … The Ginger People, Gin Gins®, Ginger Chews, Original … Life Extension, Advanced Curcumin Elite™ … Nature's Way, Ginger Root”
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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.