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The 5 Best Blood Flow Supplements of 2026, Scored on Dose and Proof

Updated on Oct 6, 2026
Medically reviewed by Dr. Sara Alisha Khan, MD, PGDMLE— Written by Dr. Sara Alisha Khan, MD, PGDMLE
Updated on Oct 6, 2026

Table of contents

Which blood flow supplement shows a human trial at its dose, and a lab report proving it's inside?

You've read the lists of the best blood flow supplements. You've compared beets, arginine and nitric oxide blends.

Maybe you've tried one already.

You want to keep moving the way you do now, on a dose that has been tested in people.

We make one of these.

So we held all five to the same four checks we built ours to pass.

What most blood flow labels skip

Blood flow carries oxygen to every muscle you walk, climb and lift with.

So the numbers on the label matter. Four gaps show up again and again on blood flow and circulation booster labels.

5 g
Some skip the trial dose. Arginine raised small-vessel blood flow in healthy women at 5 g a day. The arginine bottle in our top 5 gives 2,000 mg a day.
500 mg
Some skip the active amount. A well-known beet chew lists 500 mg of beet powder, and no figure for nitrate, the part of the beet that trials dose.
900 mg
Some list a blend total. A 900 mg "proprietary blend" gives one number for every ingredient inside it.

Some stop at a badge. A label can say "third-party tested" without posting a single lab report.

Two receipts settle it: a human trial at the dose on the label, and a lab report showing that dose is in the bottle.

The 4 checks that matter

Hold any supplement for better blood flow to these four.

1
Blood-flow proof at the label dose
The main ingredient improved blood flow in a human trial of healthy adults, and the label gives at least the trial dose. For resveratrol, those trials used 150 to 500 mg a day.
2
Every amount on the label
Each active has its own number in mg. A blend total doesn't count.
3
A lab report you can open
An outside lab's report for that product, posted on the brand's own site. A "tested" badge alone doesn't count.
4
A guarantee that covers an opened bottle
Money back for at least 30 days, stated on the brand's site.

We scored each bottle only on what its brand publishes, checked October 2026.

Ties go to the bottle that gives more of its blood-flow ingredient per dollar.

How the top 5 compare

Product Trial dose All amounts Lab report Guarantee Passed Blood-flow dose per day Cost/day
Omre NMN + Resveratrol
Our pick
✓ ✓ ✓ ✓ 4 of 4 500 mg trans-resveratrol $2.30
Toniiq NMN + Resveratrol (Elixr) ✓ ✓ ✓ ✓ 4 of 4 150 mg trans-resveratrol $1.33
HumanN SuperBeets Heart Chews – ✓ – ✓ 2 of 4 Nitrate not listed $1.33
NOW L-Arginine 1,000 mg – ✓ – – 1 of 4 2,000 mg L-arginine $0.50
Arterosil HP – – – ✓ 1 of 4 Not listed (900 mg blend) $3.30

Swipe the table sideways to see every column →

Prices at time of writing, one-time purchase.

The best blood flow supplements, ranked

Quick answer

Our pick is Omre NMN + Resveratrol. Two bottles pass all four checks, and ours gives the most trans-resveratrol per dollar: $0.46 per 100 mg.

✓ 4 of 4 checks ✓ 500 mg trans-resveratrol ✓ $0.46 per 100 mg ✓ 30-day money-back guarantee

1. Omre NMN + Resveratrol: all four checks, most resveratrol

Our pick · 4 of 4 checks
✓ Trial dose ✓ All amounts ✓ Lab report ✓ Guarantee
Dose
500 mg micronized trans-resveratrol, 500 mg NMN and 5 mg BioPerine® per 2 capsules
Purity proof
Outside lab report on the product page; NMN at >99% purity
Cost per day
$2.30 ($69 ÷ 30 days), or $2.19 on Autoship
Guarantee
30-day money-back guarantee

"My exercise regimen is happening with greater ease and energy."
Daniel M., verified buyer

Resveratrol carries the blood-flow evidence. In 22 healthy adults, single 250 mg and 500 mg doses raised blood flow in the brain during mental tasks, and the rise grew with the dose.

Each serving gives 500 mg, with BioPerine® added for absorption.

NMN supports the energy side. At 300 to 900 mg a day, it raised blood NAD+, the molecule cells use to make energy, in 80 healthy middle-aged adults. They also walked farther in six minutes than the placebo group.

Every batch is tested by an outside lab for dose, purity and contaminants.

See the formula that passes all four checks →

2. Toniiq NMN + Resveratrol (Elixr): all four checks, at 150 mg

4 of 4 checks passed
✓ Trial dose ✓ All amounts ✓ Lab report ✓ Guarantee
Dose
150 mg trans-resveratrol and 500 mg NMN, plus TMG, quercetin and apigenin, per 3 capsules
Purity proof
ISO 17025 lab report from May 2026 on its site; 98% trans-resveratrol
Cost per day
$1.33 ($39.97 ÷ 30 days), or $1.13 on subscription
Guarantee
60-day money-back guarantee on one bottle, first order
Where it's strong: it passes all four checks, and 150 mg matches the daily dose in the 14-week blood-flow trial.
Where it falls short: our tie-break. It works out to $0.89 per 100 mg of trans-resveratrol ($1.33 ÷ 1.5), against $0.46 for our #1.

3. HumanN SuperBeets Heart Chews: well-known, nitrate not listed

2 of 4 checks passed
– Trial dose ✓ All amounts – Lab report ✓ Guarantee
Dose
500 mg beet root powder and 150 mg grape seed extract per 2 chews; nitrate not listed
Purity proof
Says third-party tested; no lab report posted, checked Oct 2026
Cost per day
$1.33 ($39.95 ÷ 30 days), or $1.20 on subscription
Guarantee
90-day money-back guarantee, used or unused, minus shipping
Where it's strong: a well-known beet brand, with every amount on the label.
Where it falls short: check 1. Nitrate per serving isn't published, and the 16-week study it cites measured blood pressure, not blood flow, checked Oct 2026.

4. NOW L-Arginine 1,000 mg: clear label, under trial dose

1 of 4 checks passed
– Trial dose ✓ All amounts – Lab report – Guarantee
Dose
2,000 mg L-arginine a day, 1 tablet twice daily
Purity proof
Intertek GMP certification; no lab report posted, checked Oct 2026
Cost per day
$0.50 ($29.99 ÷ 60 days)
Guarantee
Returns on new, unopened bottles within 30 days
Where it's strong: one ingredient, clearly dosed, with every amount on the label.
Where it falls short: check 1, because the arginine trial that raised small-vessel blood flow used 5 g a day. Check 4, because opened bottles can't be returned, checked Oct 2026.

5. Arterosil HP: full refund, amounts not listed

1 of 4 checks passed
– Trial dose – All amounts – Lab report ✓ Guarantee
Dose
900 mg proprietary blend of seaweed extract (MonitumRS™) and fruit and vegetable extracts per 2 capsules
Purity proof
Says batch and test records are kept; no lab report posted, checked Oct 2026
Cost per day
$3.30 ($99 ÷ 30 days), or $3.14 on subscription
Guarantee
45-day, 100% money-back guarantee
Where it's strong: a full-refund guarantee and a formula aimed at the blood-vessel lining.
Where it falls short: check 2, because amounts inside the 900 mg blend aren't listed. Check 1, because the study it cites is a lab-dish study, not a human trial, checked Oct 2026.

The proof behind our #1

You want to know who stands behind the bottle.

Every batch is third-party tested twice: the raw ingredients, then the finished capsules. Labs check dose, purity, bacteria, fungus and heavy metals. The product page also shows a Light Labs test from July 2026 covering 16 substances.

It's made in the USA in a GMP-certified, FDA-registered facility.

Omre was founded by Dr. Pedram Kordrostami, a London-trained medical doctor who practiced in the NHS.

200,000+
customers
8 million+
doses sold
4.7 / 5
rated from 1,500+ reviews
HSA/FSA
eligible

As seen in Forbes · Yahoo Life · GQ · Healthline

Fortune's 2026 NMN guide named it the Best Vegan NMN Supplement.

Asked what changed, 164 reviewers picked better physical performance and 119 picked better recovery.

Start with one bottle, backed by 30 days →

Questions before you buy

What's the best supplement to improve circulation?

Pick one with a human blood-flow trial at its label dose and a lab report you can open. Two of the five here pass all four of our checks. Omre NMN + Resveratrol ranks first, with 500 mg of trans-resveratrol at $0.46 per 100 mg.

Do blood flow supplements work?

Some ingredients have human trials that measured blood flow. In women after menopause, 150 mg of resveratrol a day raised the brain's blood-flow response by 17% over 14 weeks, and helped maintain it over 12 months. The label dose decides whether you get what the trial tested.

Why pay more than a cheaper bottle?

Compare cost per 100 mg of the ingredient behind the trial. Ours is $0.46 ($2.30 ÷ 5). The 150 mg bottle is $0.89 ($1.33 ÷ 1.5). The $0.50-a-day arginine bottle gives 2,000 mg, under the 5 g a day its trial used.

Can I take it with my medications?

If you take prescription medication, ask your doctor first, especially if you take blood thinners. Don't use it if you're pregnant, nursing or under 18.

Do I have to subscribe?

No. One bottle is $69. Autoship & Save takes 5% off a 1-month supply, 10% off 3 months and 20% off 6 months. Cancel, skip or pause anytime. The 30-day money-back guarantee applies either way.

The bottom line

Choose the bottle that shows both receipts: a human blood-flow trial at its label dose, and a lab report you can open.

Omre NMN + Resveratrol does both, with 500 mg of trans-resveratrol at $0.46 per 100 mg and an outside lab's report on the product page. It's backed by a 30-day money-back guarantee.

Choose your supply below and start with one bottle. ↓

Medically reviewed by
Dr. Sara Alisha Khan, MD, PGDMLE

Sara Alisha Khan, MD is a physician and medical reviewer with experience in clinical care, telemedicine, and medical AI. She is currently a Project Consultant at AIIMS (All India Institute of Medical Sciences), New Delhi, and has supported medical AI diagnostic projects, including fetal ultrasound imaging. At OMRE, she reviews health content for clinical accuracy, safety, and evidence alignment. She currently works for Omre as an advisor.

Table of contents

NMN + Resveratrol
NMN + Resveratrol
NMN + Resveratrol
NMN + Resveratrol
NMN + Resveratrol
NMN + Resveratrol
NMN + Resveratrol
NMN + Resveratrol
NMN + Resveratrol

NMN + Resveratrol

NMN + Resveratrol
NMN + Resveratrol
NMN + Resveratrol
NMN + Resveratrol
NMN + Resveratrol
NMN + Resveratrol
NMN + Resveratrol
NMN + Resveratrol
NMN + Resveratrol

MD-formulated NAD+ booster with 500mg 99% pure NMN, 500mg 98% pure micronized trans-resveratrol, and 5mg BioPerine® for daily cellular energy, healthy aging, and vitality support. All at research-backed doses.*

Servings | per serving
Supply
OR
“As a medical professional, I value Omre’s focus on evidence-based supplementation and bioavailable ingredients. It’s refreshing to see a brand that prioritizes clarity, trust, and real results.”
Dr. Sara Alisha Khan
Medical Doctor (MD)
Real People, Real Results
Suggested Use

Take 2 capsules in the morning, with food, for best results.

Free From

Gluten, Dairy, Soy, Artificial colors, Preservatives and Flavouring.

Supplement Facts
30 Day Money Back Guarantee

If you didn't enjoy your experience with our products for any reason, send them back for a refund.

4.7
Rated 4.7 out of 5 stars
Based on 1,543 reviews
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1,543 reviews
  • DM Profile picture for Daniel M.
    Daniel M.
    Verified Buyer
    Reviewing
    NMN + Resveratrol
    I recommend this product
    Age Range 55-64
    Gender Male
    How Longevity Helped? More Energy
    Rated 5 out of 5 stars
    3 years ago
    This stuff changed my life!!!!!

    Ok, this was recommended to me by my doctor - yes, you heard that right! My actual doctor told me to start taking this - This EXACT brand! Because it has the Resvirotrol (spelling?) also in it which she said was important.

    Normally I don’t go for these types if things but I trust my doctor implicitly so I ordered it.

    I’ve been taking two pills per day for one month now… let me tell you what’s been happening to my body…

    I’m a 56 year old guy - I workout a lot - I’m a retired Airline Pilot and I’ve always been I pretty good shape but this stuff has rocketed me into a new sphere of training I though I had left behind 35 years ago! Yes, it’s that good!

    Since taking this stuff my workouts last 50% longer and they’re at least 50% more intense!!! I’m not exaggerating!!!!! Even my wife has noticed! I lift heavier, my hikes are way longer and I don’t experience DOMS afterwards.

    Somehow I have more energy during the day and it lasts all day. Mind officially blown!!!

    This stuff works! I am SO grateful that my doc recommended this to me… it’s not cheap! But I’ll be buying this forever!

    BTW - I’m not paid or endorsed in any way by these guys or their company! I don’t know them in any way and I have zero connection to them other than getting my order in the mail from them. (Shipping was not extremely fast though - that sucked).

    This stuff is amazing!!!!! Anyone reading this - try it! You can thank me later.

    D.M.

    EfficacyRated 5.0 on a scale of 1 to 5
    Ease of UseRated 5.0 on a scale of 1 to 5
    ValueRated 4.0 on a scale of 1 to 5
  • AL
    ANDREW L.
    Verified Buyer
    Reviewing
    NMN + Resveratrol
    I recommend this product
    Age Range 65+
    Gender Male
    How Longevity Helped? More Energy
    Rated 5 out of 5 stars
    2 years ago
    Living more!

    Great product I feel full of energy now that I’m taking NMN

    EfficacyRated 5.0 on a scale of 1 to 5
    Ease of UseRated 5.0 on a scale of 1 to 5
    ValueRated 4.0 on a scale of 1 to 5
  • EM
    Eileen M.
    Verified Buyer
    Reviewing
    NMN + Resveratrol
    I recommend this product
    Age Range 45-54
    Gender Female
    How Longevity Helped? More Energy
    Rated 5 out of 5 stars
    3 years ago
    Staying youthful!

    I’ve been told I don’t look my age at 53, I do take care of myself from the inside out! I’m adding this NMN+RESVERATROL to my regimen to staying youthful & more. I have been taking a month now & plan on sticking to it♥️

    EfficacyRated 5.0 on a scale of 1 to 5
    Ease of UseRated 5.0 on a scale of 1 to 5
    ValueRated 4.0 on a scale of 1 to 5
  • CL
    Cheryl L.
    Verified Buyer
    Reviewing
    NMN + Resveratrol
    I recommend this product
    Age Range 55-64
    Gender Female
    How Longevity Helped? More Energy, Easy dosing
    Rated 5 out of 5 stars
    2 years ago
    Renewed Energy and Life Force

    I was told I have autoimmune Hashimoto's in 2020 after I got COVID at 56 years old. I can't even begin to tell you how bone numbing and cell deep my fatigue was, and even worse, NOTHING helped. Not medication, doctors, handfuls of supplements, acupuncture, or Reiki. I could barely get off my couch or out of my bed just to purchase a few groceries , or take a shower. I thought that was going to be my life, forever, which dropped me into depression and a feeling of utter hopelessness. I researched and researched on my own and decided I'd give one more thing a shot, and that was OMRE's Resveritrol and NMN. Within 5 days of taking my first two pills, after being so ill for three years, I had the energy to get out of bed, take a shower, and I actually cooked myself a meal. Within two weeks, I could do that, AND mow my yard, or work a normal day without having to take a nap. Best of all, I actually WANTED to get up, where prior to taking the supplements, I didn't even want to wake up, let alone try to do anything more than just breathe. This supplement gave me a large portion of my life back. I still have a few “down days” a month because Hashimoto's doesn't just go away, but those days are days where all I do is take a nap, and resume my normal life straight away after it. Yes, they are on the expensive side (and being on a low fixed retirement income, hard to afford), but the benefits far, far outweigh the price. I couldn't recommend trying something more than I do this…

    EfficacyRated 5.0 on a scale of 1 to 5
    Ease of UseRated 5.0 on a scale of 1 to 5
    ValueRated 5.0 on a scale of 1 to 5
  • SE
    stephen e.
    Verified Buyer
    Reviewing
    NMN + Resveratrol
    I recommend this product
    Age Range 55-64
    Gender Male
    How Longevity Helped? Easy dosing
    Rated 5 out of 5 stars
    2 years ago
    Longevity and energy

    I bought these after reading others reviews and the independent testing that’s been done. I follow David Sinclair and his approach for longevity and health.

    It’s early days, just over a month so far I feel good, my skin appears clearer and I don’t appear to have any side affects.

    I’ll continue with the capsules.

    EfficacyRated 4.0 on a scale of 1 to 5
    Ease of UseRated 5.0 on a scale of 1 to 5
    ValueRated 4.0 on a scale of 1 to 5