How does DoseRank decide what ranks #1?

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.

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.

DOSERANKEVIDENCE-BASED SUPPLEMENTS

Reduce angina symptoms

DOSERANKEVIDENCE-BASED SUPPLEMENTS

Best Supplements for Angina symptoms — 160 Ranked | DOSERANK

Top decision cards

Best products for angina symptoms

Ranking by · Composite outcome score

Best overall — the composite outcome score.

Top pick · DoseRank

Why this ranks #1 for angina symptoms

Nutrex Research, L-Carnitine 3000, Berry Blast, 15.72 fl oz (465 ml)

Nutrex Research$0.73 / serving4.7 · 2,493Available now

Also helps with

Sperm motility

Why this ranks here

Evidence fitL-Carnitine has moderate human evidence for this outcome.
Dose fitL-Carnitine at 3000 mg is higher than the studied 1000-2000 mg window.
Price / serving$0.73 per serving — high price tier for this outcome.
AvailabilityIn stock across major retailers; 99% availability confidence.
TrustSolid trust signals from buyer ratings, with room to grow.

The numbers

3000 mgAbove rangehigher than the studied 1000-2000 mg window

10 mg

Compare top 3 Product data Open at retailer

The rest of the ranking · DoseRank

Top 10 ranked products

NOW Foods, Sports, L-Carnitine, Triple Strength, Citrus, 16 fl oz (473 ml)

NOW FoodsClinical84Dose fit91Popularity84$0.73/ serving

Nutrex Research, L-Carnitine 3000, Orange Mango, 15.72 fl oz (465 ml)

Nutrex ResearchClinical84Dose fit91Popularity76$0.73/ serving

Nutrex Research, L-Carnitine 3000, Strawberry Watermelon, 15.72 fl oz (465 ml)

Nutrex ResearchClinical84Dose fit91Popularity76$0.73/ serving

Life Enhancement, PropeL™, 240 Vegetarian Capsules

Life EnhancementClinical89Dose fit91Popularity30$2.18/ serving

Nutrex Research, L-Carnitine 3000, Passionfruit Guava, 15.72 fl oz (465 ml)

Nutrex ResearchClinical84Dose fit91Popularity50$0.73/ serving

ALLMAX, Liquid L-Carnitine 1500, Fruit Punch, 16 oz (473 ml)

ALLMAXClinical82Dose fit78Popularity50$0.55/ serving

NOW Foods, Sports, Liquid L-Carnitine, Citrus, 16 fl oz (473 ml)

NOW FoodsClinical81Dose fit67Popularity68$0.47/ serving

Force Factor, L-Carnitine Liquid, Orange, 16 fl oz (473 ml)

Force FactorClinical84Dose fit91Popularity50$0.65/ serving

MRM Nutrition, CoQ-10 L-Carnitine Liquid, Orange-Vanilla, 16 fl oz (480 ml)

MRM NutritionClinical81Dose fit67Popularity89$0.93/ serving

Top decision cards

Best products for angina symptoms

Ranking by · Composite outcome score

Best overall — the composite outcome score.

Top pick · DoseRank

Why this ranks #1 for angina symptoms

Nutrex Research, L-Carnitine 3000, Berry Blast, 15.72 fl oz (465 ml)

Nutrex Research$0.73 / serving4.7 · 2,493Available now

Also helps with

Sperm motility

Why this ranks here

Evidence fitL-Carnitine has moderate human evidence for this outcome.
Dose fitL-Carnitine at 3000 mg is higher than the studied 1000-2000 mg window.
Price / serving$0.73 per serving — high price tier for this outcome.
AvailabilityIn stock across major retailers; 99% availability confidence.
TrustSolid trust signals from buyer ratings, with room to grow.

The numbers

3000 mgAbove rangehigher than the studied 1000-2000 mg window

10 mg

Compare top 3 Product data Open at retailer

The rest of the ranking · DoseRank

Top 10 ranked products

NOW Foods, Sports, L-Carnitine, Triple Strength, Citrus, 16 fl oz (473 ml)

NOW FoodsClinical84Dose fit91Popularity84$0.73/ serving

Nutrex Research, L-Carnitine 3000, Orange Mango, 15.72 fl oz (465 ml)

Nutrex ResearchClinical84Dose fit91Popularity76$0.73/ serving

Nutrex Research, L-Carnitine 3000, Strawberry Watermelon, 15.72 fl oz (465 ml)

Nutrex ResearchClinical84Dose fit91Popularity76$0.73/ serving

Life Enhancement, PropeL™, 240 Vegetarian Capsules

Life EnhancementClinical89Dose fit91Popularity30$2.18/ serving

Nutrex Research, L-Carnitine 3000, Passionfruit Guava, 15.72 fl oz (465 ml)

Nutrex ResearchClinical84Dose fit91Popularity50$0.73/ serving

ALLMAX, Liquid L-Carnitine 1500, Fruit Punch, 16 oz (473 ml)

ALLMAXClinical82Dose fit78Popularity50$0.55/ serving

NOW Foods, Sports, Liquid L-Carnitine, Citrus, 16 fl oz (473 ml)

NOW FoodsClinical81Dose fit67Popularity68$0.47/ serving

Force Factor, L-Carnitine Liquid, Orange, 16 fl oz (473 ml)

Force FactorClinical84Dose fit91Popularity50$0.65/ serving

MRM Nutrition, CoQ-10 L-Carnitine Liquid, Orange-Vanilla, 16 fl oz (480 ml)

MRM NutritionClinical81Dose fit67Popularity89$0.93/ serving

Reduce angina symptoms

Reduce angina symptoms

Which ingredient types matter for angina symptomsOpen to see which ingredient types matter for angina symptoms

Amino Acids & Derivatives

Minerals & Trace Elements

Best products for angina symptoms

Nutrex Research, L-Carnitine 3000, Berry Blast, 15.72 fl oz (465 ml)

NOW Foods, Sports, L-Carnitine, Triple Strength, Citrus, 16 fl oz (473 ml)

Nutrex Research, L-Carnitine 3000, Orange Mango, 15.72 fl oz (465 ml)

Nutrex Research, L-Carnitine 3000, Strawberry Watermelon, 15.72 fl oz (465 ml)

Life Enhancement, PropeL™, 240 Vegetarian Capsules

Nutrex Research, L-Carnitine 3000, Passionfruit Guava, 15.72 fl oz (465 ml)

ALLMAX, Liquid L-Carnitine 1500, Fruit Punch, 16 oz (473 ml)

NOW Foods, Sports, Liquid L-Carnitine, Citrus, 16 fl oz (473 ml)

Force Factor, L-Carnitine Liquid, Orange, 16 fl oz (473 ml)

MRM Nutrition, CoQ-10 L-Carnitine Liquid, Orange-Vanilla, 16 fl oz (480 ml)

What every metric means

Compare the top 3, side by side

Not sure which is right for you?

Get a personal report

Frequently asked

Which ingredient types matter for angina symptomsOpen to see which ingredient types matter for angina symptoms

Amino Acids & Derivatives

Minerals & Trace Elements

Compare the top 3, side by side

Best products for angina symptoms

Nutrex Research, L-Carnitine 3000, Berry Blast, 15.72 fl oz (465 ml)

NOW Foods, Sports, L-Carnitine, Triple Strength, Citrus, 16 fl oz (473 ml)

Nutrex Research, L-Carnitine 3000, Orange Mango, 15.72 fl oz (465 ml)

Nutrex Research, L-Carnitine 3000, Strawberry Watermelon, 15.72 fl oz (465 ml)

Life Enhancement, PropeL™, 240 Vegetarian Capsules

Nutrex Research, L-Carnitine 3000, Passionfruit Guava, 15.72 fl oz (465 ml)

ALLMAX, Liquid L-Carnitine 1500, Fruit Punch, 16 oz (473 ml)

NOW Foods, Sports, Liquid L-Carnitine, Citrus, 16 fl oz (473 ml)

Force Factor, L-Carnitine Liquid, Orange, 16 fl oz (473 ml)

MRM Nutrition, CoQ-10 L-Carnitine Liquid, Orange-Vanilla, 16 fl oz (480 ml)