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.

Increase libido

What this outcome means

Libido is your underlying interest in and appetite for sexual activity, which naturally rises and falls over time. On DoseRank it maps to a defined health outcome built from human studies on validated desire questionnaires, frequency of sexual interest, and arousal response – data sourced from open sources and specialized resources. DoseRank is not medical advice.

Who it's for

Low-drive stretchesNoticing interest has faded compared with earlier years.

Hormonal shiftsChanges tied to menopause, andropause, or thyroid swings.

Stress-dampened desireWorkload, fatigue, or mood quietly muting sexual interest.

Stack buildersAlready taking supplements such as Tribulus Terrestris and want the dose right.

Evidence level

78Moderate-strong

Tribulus Terrestris – has moderate public evidence for this outcome. This usually means there are smaller or mechanistic studies, but not randomized human trials. A DoseFit Score of 90 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 available ingredients

Tribulus Terrestris is the best supported ingredient signal for this outcome.

Dose matchedDoseFit 90

Scores reward products dosed inside or above the studied range, not just the right ingredient. Examples: In range: Tribulus Terrestris 1500 mg vs 500-1500 mg.

Processed

668

Available

668

Ingredients

Brands

169

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?

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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.

Increase libido

What this outcome means

Who it's for

Low-drive stretchesNoticing interest has faded compared with earlier years.

Hormonal shiftsChanges tied to menopause, andropause, or thyroid swings.

Stress-dampened desireWorkload, fatigue, or mood quietly muting sexual interest.

Stack buildersAlready taking supplements such as Tribulus Terrestris and want the dose right.

Evidence level

78Moderate-strong

Best available ingredients

Tribulus Terrestris is the best supported ingredient signal for this outcome.

Dose matchedDoseFit 90

Scores reward products dosed inside or above the studied range, not just the right ingredient. Examples: In range: Tribulus Terrestris 1500 mg vs 500-1500 mg.

Processed

668

Available

668

Ingredients

Brands

169

Coverage

100%

Relevant ingredients

Which ingredient types matter for libido or sexual desireOpen to see which ingredient types matter for libido or sexual desire

339 products across 1 ingredient types — open to filter the ranking.

Use types to filter ranked products

Botanicals/Herbal Extracts

339 products

Concentrated plant and herbal extracts standardized to actives. Potency depends on the extract ratio and marker content, not raw weight.

Typical: , , , ...

Top decision cards

Best products for libido or sexual desire

Ranking by · Composite outcome score

Best overall — the composite outcome score.

Top pick · DoseRank

Why this ranks #1 for libido or sexual desire

Nutricost, Tribulus, 240 Capsules (750 mg per Capsule)

Nutricost$0.13 / serving4.7 · 2,013Available now

Also helps with

Sexual function

Why this ranks here

Evidence fitTribulus Terrestris has moderate human evidence for this outcome.
Dose fitTribulus Terrestris at 1500 mg lands inside the studied 500-1500 mg window.
Price / serving$0.13 per serving — mid 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

1500 mgIn rangeinside the studied 500-1500 mg window

Compare top 3 Product data Open at retailer

The rest of the ranking · DoseRank

Top 10 ranked products

NOW Foods, Sports, Tribulus, 1,000 mg, 180 Tablets

NOW FoodsClinical85Dose fit78Popularity84$0.14/ serving

California Gold Nutrition, Sport, Tribulus, 1,000 mg, 60 Tablets

California Gold NutritionClinical85Dose fit78Popularity91$0.14/ serving

NutraChamps, Maca, 180 Organic Capsules

NutraChampsClinical88Dose fit76Popularity50$0.30/ serving

EVLution Nutrition, 100% Tribulus, 650 mg, 60 Veggie Capsules

EVLution NutritionClinical84Dose fit70Popularity68$0.12/ serving

Gaia Herbs, Maca Powder, 8 oz (227 g)

Gaia HerbsClinical89Dose fit90Popularity30$0.25/ serving

Swanson Vitamins, Full Spectrum® Tribulus Fruit, 500 mg, 90 Capsules

Swanson VitaminsClinical84Dose fit67Popularity50$0.06/ serving

Force Factor, Fundamentals, Tribulus Terrestris, 60 Capsules

Force FactorClinical85Dose fit78Popularity68$0.27/ serving

NOW Foods, Sports, Tribulus, Men's Health, 500 mg, 100 Veg Capsules

NOW FoodsClinical84Dose fit67Popularity50$0.10/ serving

Nutrex Research, Tribulus 1400, 90 Capsules (700 mg per Capsule)

Nutrex ResearchClinical86Dose fit88Popularity30$0.25/ serving