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.

Lower blood pressure

What this outcome means

Thyroid-stimulating hormone, or TSH, is the pituitary signal used to gauge whether your thyroid is running fast, slow, or on track. On DoseRank it maps to a defined health outcome built from human studies on circulating TSH concentrations, reference-range positioning, and shifts in thyroid signaling — not a marketing claim.

Who it's for

Running highReadings that creep above the healthy range at routine checkups.

Runs lowLightheaded on standing from pressure that dips too far down.

Family historyA close relative's pattern that keeps your numbers on your mind.

Stack buildersAlready taking supplements such as Potassium Citrate or Beetroot Powder and want the dose right.

Evidence level

87Strong

Potassium Citrate, Beetroot Powder, L-Citrulline, Magnesium Aspartate, and Taurine – have strong public evidence, and Pine Bark Extract, Ascorbic Acid, and Calcium Citrate add supporting evidence. DoseRank looks at both evidence quality and formula fit. A DoseFit Score of 67 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

Potassium Citrate, Beetroot Powder, L-Citrulline, Magnesium Aspartate, and Taurine lead this outcome, supported by Pine Bark Extract, Ascorbic Acid, and Calcium Citrate.

Dose partly matchedDoseFit 67

Scores reward products dosed inside or above the studied range, not just the right ingredient. Examples: In range: Taurine 1000 mg vs 1000-6000 mg, Pine Bark Extract 100 mg vs 100-200 mg; Below range: Potassium Citrate 40 mg vs 1500-3500 mg, Beetroot Powder 750 mg vs 5000-15000 mg.

Processed

14.4k

Available

14.4k

Ingredients

116

Brands

653

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.

Lower blood pressure

What this outcome means

Who it's for

Running highReadings that creep above the healthy range at routine checkups.

Runs lowLightheaded on standing from pressure that dips too far down.

Family historyA close relative's pattern that keeps your numbers on your mind.

Stack buildersAlready taking supplements such as Potassium Citrate or Beetroot Powder and want the dose right.

Evidence level

87Strong

Best ingredients

Potassium Citrate, Beetroot Powder, L-Citrulline, Magnesium Aspartate, and Taurine lead this outcome, supported by Pine Bark Extract, Ascorbic Acid, and Calcium Citrate.

Dose partly matchedDoseFit 67

Processed

14.4k

Available

14.4k

Ingredients

116

Brands

653

Coverage

100%

Relevant ingredients

Which ingredient types matter for blood pressureOpen to see which ingredient types matter for blood pressure

17.3k products across 9 ingredient types — open to filter the ranking.

Use types to filter ranked products

Botanicals/Herbal Extracts

1.2k products

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

Typical: , , , ...

Amino Acids & Derivatives

1.6k products

The building blocks of protein, taken singly for targeted effects – leucine for muscle, theanine for calm. Free-form versions absorb fast on an empty stomach.

Typical: , , , ...

Electrolytes

642 products

Charged minerals – sodium, potassium, magnesium – that drive hydration and nerve signaling. Balance between them matters more than loading any single one.

Typical: , , , ...

Minerals & Trace Elements

4.7k products

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

Typical: , , , ...

Alkaloids & Stimulants

254 products

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

Typical: , ,

Antioxidants & Bioactive Compounds

2k products

Molecules that neutralize free radicals and tune cell signaling. Helpful in balance; mega-doses can blunt the body's own adaptive defenses.

Typical: , , , ...

Vitamins

4.9k 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: ,

Fatty Acids & Lipids

1.3k products

Dietary fats including omega-3s and structural lipids. Look at the active EPA/DHA amounts and freshness, since oils oxidize and turn rancid.

Typical: , , , ...

Hormones & Hormone-like Compounds

623 products

Compounds that signal like the body's own hormones — melatonin, DHEA, pregnenolone. Powerful at tiny doses and easy to overdo; timing matters more than potency.

Top decision cards

Best products for blood pressure

Ranking by · Composite outcome score

Best overall — the composite outcome score.

Top pick · DoseRank

Why this ranks #1 for blood pressure

MRM Nutrition, DRIVEN™, Pre-Workout Boost, Mixed Berries, 12.3 oz (350 g)

MRM Nutrition$0.71 / serving4.4 · 596Available now

Also helps with

Endothelial function

Cognitive function

Vitamin C status

Why this ranks here

Evidence fitPotassium Citrate and Beetroot Powder lead the evidence here, backed by Pine Bark Extract and Ascorbic Acid.
Dose fit2 of 8 dosed ingredients land in the studied range. Potassium Citrate at 40 mg sits below the studied 1500-3500 mg window.
Price / serving$0.71 per serving — high price tier for this outcome.
AvailabilityIn stock across major retailers; 99% availability confidence.
TrustMixed trust signals — ratings are positive but the base is limited.

The numbers

40 mgBelow rangebelow the studied 1500-3500 mg window

750 mgBelow rangebelow the studied 5000-15000 mg window

2000 mgBelow rangebelow the studied 3000-6000 mg window

40 mgBelow rangebelow the studied 300-600 mg window

1000 mgIn rangeinside the studied 1000-6000 mg window

100 mgIn rangeinside the studied 100-200 mg window

63 mgBelow rangebelow the studied 500-1000 mg window

40 mgBelow rangebelow the studied 1000-1500 mg window

1000 mg

100 mg

250 mg

0.3 mg

25 mcg

450 mg

10 mg

5 mg

Compare top 3 Product data Open at retailer

The rest of the ranking · DoseRank

Top 10 ranked products

Vitacost, Synergy®, Activated Quercetin Complex With Vitamin C, 200 Capsules

VitacostClinical95Dose fit79Popularity50$0.34/ serving

Nutricost, Taurine, Unflavored, 35.7 oz (1 kg)

NutricostClinical86Dose fit71Popularity84$0.05/ serving

Nutricost, Taurine, 1,000 mg , 400 Capsules

NutricostClinical86Dose fit67Popularity91$0.04/ serving

NOW Foods, Taurine, 1,000 mg, 250 Veg Capsules

NOW FoodsClinical86Dose fit67Popularity96$0.07/ serving

Life Extension, Taurine, 1,000 mg, 90 Vegetarian Capsules

Life ExtensionClinical86Dose fit67Popularity98$0.10/ serving

Nature's Life, Renewing Magnesium Malate, 250 Tablets (200 mg per Tablet)

Nature's LifeClinical88Dose fit90Popularity76$0.20/ serving

Nutricost, Grape Seed Extract, 240 Capsules (400 mg per Capsule)

NutricostClinical87Dose fit80Popularity84$0.07/ serving

Source Naturals, Magnesium Malate, 360 Tablets (1,250 mg per Tablet)

Source NaturalsClinical88Dose fit90Popularity89$0.27/ serving

NOW Foods, Magnesium Citrate Pure Powder, 8 oz (227 g)

NOW FoodsClinical87Dose fit78Popularity91$0.15/ serving