Is a higher dose always better?

No. Dose-fit rewards landing inside the range studied for the outcome — over-dosing (common with melatonin) or under-dosing both lower the score. The goal is the effective dose, not the biggest number.

What does the Value score mean?

The Value score compares a product's price per serving with clinically relevant products ranked for the same outcome. A score of 50 is the typical price; above 50 means better value than typical, while below 50 means the product costs more than typical. It is a 0–100 value signal, not a percentile.

Why is the cheapest product not #1?

Cost is only one input. The cheapest pick here is a citrate form with weaker absorption and a stock-risk flag, so it leads on Value-for-cost but trails on the composite that also weighs evidence, dose fit and availability.

Are these affiliate links?

Retailer links may be affiliate links and DoseRank may earn a commission. Rankings and placement are determined by the scoring model only — never by payment from a brand.

Is this medical advice?

No. DoseRank summarizes evidence to help you choose; it is not a substitute for a clinician, especially if you are pregnant, breastfeeding, on medication, or managing a health condition.

Reduce nausea

What this outcome means

Nausea is that queasy, stomach-turning sense that you might be sick, whether it rolls in waves or lingers in the background. On DoseRank it maps to a defined health outcome built from human studies on nausea severity scores, episode frequency, and symptom relief – data sourced from open sources and specialized resources. DoseRank is not medical advice.

Who it's for

Motion-triggeredQueasy in cars, boats, or planes the moment motion starts.

Morning queasinessWaves of sickness early in the day or during pregnancy.

Treatment-relatedNausea that follows medication, chemo, or anesthesia.

Stack buildersAlready taking supplements such as Pyridoxine HCl and want the dose right.

Evidence level

91Strong

Pyridoxine HCl – has strong public evidence. DoseRank looks at both evidence quality and formula fit. A DoseFit Score of 91 means this product's ingredient forms and doses are close to what was used in the studies behind this ranking - DoseRank weights each product ingredient.

Best ingredients

Pyridoxine HCl is the best supported ingredient signal for this outcome.

Dose matchedDoseFit 91

Scores reward products dosed inside or above the studied range, not just the right ingredient. Examples: Above range: Pyridoxine HCl 100 mg vs 10-75 mg.

Processed

9.5k

Available

9.5k

Ingredients

Brands

615

Coverage

100%

How to read the scores

What every metric means

Each score is 0–100. Higher is better for every metric below.

CompositeThe overall DoseRank score — a weighted blend of clinical strength, evidence, dose fit, trust and value.Higher is better

ClinicalHow strongly the formula's ingredients and doses match what clinical studies used for this outcome.Higher is better

EvidenceHow much published human research backs the formula's key ingredients for this outcome — both how many studies exist and how strong they are.Higher is better

ValueHow the price per serving compares with similar products for this outcome — 50 is the typical price, higher means better value for your money.Higher is better

TrustHow well customers rate this product, with extra weight given to ratings backed by a large number of reviews.Higher is better

PopularityHow strongly this product sells compared with the other ranked products for this outcome.Higher is better

This legend covers the scores on this page — for data sources, scoring weights, and limits, read the full methodology →

Not sure which is right for you?

Answer a few questions about your goals, habits, stack, and budget. Then, DoseRank will find the products that best match your needs based on your answers. It's free and only takes 60 seconds! No account is required.

Take 60-sec quiz

Get a personal report

A saved, shareable breakdown: your matched products, dose math, interaction flags to discuss with a clinician, and a price-tracked stack you can revisit.

Questions

Frequently asked

Each product gets a composite score blending clinical strength, evidence, dose fit, trust and value. The #1 on the DoseRank tab has the highest composite; the other tabs re-rank the same products by Value, Trust, or Popularity. Placement is never paid.

Reduce nausea

What this outcome means

Who it's for

Motion-triggeredQueasy in cars, boats, or planes the moment motion starts.

Morning queasinessWaves of sickness early in the day or during pregnancy.

Treatment-relatedNausea that follows medication, chemo, or anesthesia.

Stack buildersAlready taking supplements such as Pyridoxine HCl and want the dose right.

Evidence level

91Strong

Best ingredients

Pyridoxine HCl is the best supported ingredient signal for this outcome.

Dose matchedDoseFit 91

Scores reward products dosed inside or above the studied range, not just the right ingredient. Examples: Above range: Pyridoxine HCl 100 mg vs 10-75 mg.

Processed

9.5k

Available

9.5k

Ingredients

Brands

615

Coverage

100%

Relevant ingredients

Which ingredient types matter for nauseaOpen to see which ingredient types matter for nausea

7.6k products across 3 ingredient types — open to filter the ranking.

Use types to filter ranked products

Minerals & Trace Elements

4.1k products

Inorganic nutrients from calcium to zinc. The chemical form drives absorption – chelates and citrates usually beat cheap oxides.

Typical: , , , ...

Vitamins

3.4k products

Essential micronutrients the body can't make in sufficient amounts. Fat-soluble ones (A, D, E, K) store up; water-soluble ones need regular topping-up.

Typical: , ,

Alkaloids & Stimulants

65 products

Plant-derived nitrogen compounds like caffeine that stimulate the nervous system. Effective but dose-sensitive, with real tolerance and dependence risk.

Typical:

Top decision cards

Best products for nausea

Ranking by · Composite outcome score

Best overall — the composite outcome score.

Top pick · DoseRank

Why this ranks #1 for nausea

NOW Foods, B-6, 100 mg, 250 Veg Capsules

NOW Foods$0.05 / serving4.8 · 7,453Available now

Also helps with

Vitamin B6 status

Homocysteine

Premenstrual symptom severity

Why this ranks here

Evidence fitPyridoxine HCl is the strongest evidence signal for this outcome.
Dose fitPyridoxine HCl at 100 mg is higher than the studied 10-75 mg window.
Price / serving$0.05 per serving — low price tier for this outcome.
AvailabilityIn stock across major retailers; 99% availability confidence.
TrustStrong trust signals — consistently high marks from verified buyer ratings.

The numbers

100 mgAbove rangehigher than the studied 10-75 mg window

Compare top 3 Product data Open at retailer

The rest of the ranking · DoseRank

Top 10 ranked products

21st Century, Vitamin B-6, 110 Tablets

21st CenturyClinical88Dose fit91Popularity84$0.05/ serving

Solgar, Vitamin B6, 100 mg, 100 Tablets

SolgarClinical88Dose fit91Popularity84$0.06/ serving

Nutricost, P-5-P, 240 Capsules

NutricostClinical89Dose fit90Popularity91$0.06/ serving

NOW Foods, B-100, 250 Veg Capsules

NOW FoodsClinical88Dose fit91Popularity91$0.14/ serving

NOW Foods, B-50, 250 Veg Capsules

NOW FoodsClinical88Dose fit81Popularity99$0.09/ serving

21st Century, B-100 Complex, Prolonged Release, 60 Tablets

21st CenturyClinical88Dose fit91Popularity91$0.15/ serving

Solgar, B-Complex "100", 100 Vegetable Capsules

SolgarClinical88Dose fit91Popularity91$0.17/ serving

Nutricost, P-5-P, 100 mg, 240 Capsules

NutricostClinical89Dose fit93Popularity84$0.08/ serving

Nature's Way, Ginger Root, 240 Vegan Capsules (0.55 mg per Capsule)

Nature's WayClinical89Dose fit71Popularity84$0.13/ serving