Optimum Nutrition
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Ginger Tincture is single-ingredient liquid tincture Ginger (Zingiber officinale). Ginger rhizome has been used in Ayurveda and Traditional Chinese Medicine for millennia for nausea and digestive complaints. Gingerols and shogaols are the active constituents. Marx 2015 meta-analysis of 12 RCTs shows benefit for chemotherapy-induced nausea. Ernst 2000 and Ozgoli 2009 confirm efficacy for pregnancy-related morning sickness at 1-1.5 g/day of ginger powder or equivalent. Modest anti-inflammatory effect in OA (Terry 2011). Well-tolerated. Mild reflux possible at high doses. Anticoagulant activity — theoretical caution. Real RCT evidence base at standardized doses. Garden Organics is a small US-based single-ingredient herbal line; every product is one botanical in capsule or tincture form (no proprietary blends). Third-party COAs, per-lot heavy-metal/microbial data, and specific standardization percentages are not publicly disclosed at the product level, which is a real transparency gap despite the honest single-ingredient formatting.
The Vyvata score's Evidence dimension measures the quality of published RCT support for a product's active ingredients at the label dose. Our source hierarchy: double-blind RCTs in MEDLINE-indexed journals > single-blind RCTs > open-label trials > observational studies > mechanism papers > N=1 case studies (anecdotes). Predatory journals and manufacturer-authored studies without independent replication are weighted down.
Product-specific evidence citations for this item are embedded in the analysis text on the "Analysis" tab. For the full framework and evidence hierarchy, see the methodology page.
FAQ data has not been generated for this product yet. See the site FAQ for general questions.
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Every score is set from the published rubric, audit-logged, and rescored whenever new evidence emerges (published trials, updated labels, third-party testing releases). Every vendor is scored on the same criteria — no pay-to-play. See our editorial-independence disclosure for the full policy, including brands with an editorial relationship to this site.

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