4.7
Rated 4.7 out of 5 stars
368 Reviews

Nitric Oxide Support

Clinically proven daily Nitric Oxide support for blood flow, energy, heart health, performance, and healthy aging.

SUPPLEMENT FACTS
GMP Certified GMP Certified
FDA Registered Facility FDA Registered Facility
GMO Free GMO Free
Made in USA Made in USA

Take two Nitric Oxide tablets once a day with water after food. This dosage boosts Nitric Oxide levels throughout for up to 24 hours. Do not exceed the recommended daily intake unless under the direction of your physician.

Suitable for vegetarians and vegans. Made without most allergens (milk, eggs, fish, shellfish, tree nuts, peanuts, wheat, soy). Gluten and gelatin-free.

Nitric Oxide Support delivers a clinically effective daily dose of plant-based nitrates that help boost Nitric Oxide levels, the molecule responsible for healthy blood flow and whole-body health. As a Nitric Oxide supplement backed by peer-reviewed clinical research, it works through a natural, food-based pathway your body already recognizes.

✓ Supports healthy blood pressure and heart health

✓ Promotes energy and endurance

✓ Enhances sexual performance

✓ Measurable with Nitric Oxide test strips

Plant-Based Nitrate Blend

Provides dietary nitrates that convert into Nitric Oxide to support blood flow and vascular health.

Vitamin C

Helps convert nitrates into Nitric Oxide while supporting immune and vascular function.

Magnesium

Relaxes blood vessels and supports cardiovascular health and energy production.

Nitric Oxide Support is designed for anyone looking to improve how the body performs and feels at its core, through better blood flow.

• Adults 40 or older experiencing declines in energy, endurance, or recovery

• Individuals focused on heart health and long-term wellness

• Active and performance-driven consumers looking to optimize stamina

• Men and women seeking support for sexual health and blood flow

• Anyone taking a proactive, preventative approach to healthy aging

If you are looking to feel more energized, perform better, and support your health long-term, this Nitric Oxide booster is your foundation.

EXCLUSIVE TRIAL OFFER

Still Unsure?

Try It for Just $5

Blood Flow Hormonal Balance Blood Pressure Circulation Gut Health Energy Sexual Health Menopause

Real People. Real Results.

One Molecule.Five Systems.

Two capsules a day. Clinically validated Nitric Oxide support for the systems that drive how you feel, perform, and age.

CLINICAL PROOF - HUMAN TRIALS

Real Biological Impact, Backed by Clinical Research

Two capsules a day, tested as a finished formula in human clinical trials. Not just ingredient theory.

-12.5 mmHg

Reduction in systolic blood pressure

Blood pressure was the primary endpoint of a 12-week randomized, double-blind trial at the Lundquist Institute at Harbor-UCLA. The result held against placebo, so it is attributable to the formula itself.

  • Randomized
  • Double-blind
  • 12 weeks
  • Placebo-controlled

Clinical Nutrition ESPEN, 2020

Systolic BP reductionVS PLACEBO
Placebo
[PLACEBO DELTA]
NO Support
-12.5 mmHg

Backed By Clinical Research

In a randomized, placebo-controlled clinical trial, participants taking Nitric Oxide Support experienced:

built on 3 clinical trials and over 28,000 published studies on Nitric Oxide biology

12.5 mmHg

reduction in systolic blood pressure

Supporting healthier cardiovascular function

378%

increase in nitrate levels

Indicating significantly improved Nitric Oxide production

28%

improvement in circulation (FMD)

The gold standard measure of blood flow

Reductions

in key inflammatory markers

Supporting long-term metabolic and cardiovascular health

How we compare

Same molecule. Different paths.

Four things worth checking before you pick a Nitric Oxide product.

Clinical criterion Dietary nitrate capsule Nitric oxide gummies L-Arginine / L-Citrulline Beetroot powder / juice
Works at every age Well-supported Same nitrate pathway when beet-based Partial / mixed evidence Declines with age (NOS-dependent) Well-supported Same pathway as Berkeley Life
Proven in a finished-formula trial Not offered No finished-formula trials Partial / mixed evidence Strong ingredient evidence, few formula RCTs Not offered Ingredient-level research only
Test your own results Not offered Not offered Not offered Not offered Not offered Not offered
Easy to take every day Not offered Often 5–10 g sugar per serving Partial / mixed evidence GI upset at effective doses Partial / mixed evidence Taste and GI effects, beeturia
Clinical criterion
Nitric oxide gummies
L-Arginine / L-Citrulline
Beetroot powder / juice
Works at every age
Well-supported Same nitrate pathway when beet-based
Partial / mixed evidence Declines with age (NOS-dependent)
Well-supported Same pathway as Berkeley Life
Proven in a finished-formula trial
Not offered No finished-formula trials
Partial / mixed evidence Strong ingredient evidence, few formula RCTs
Not offered Ingredient-level research only
Test your own results
Not offered Not offered
Not offered Not offered
Not offered Not offered
Easy to take every day
Not offered Often 5–10 g sugar per serving
Partial / mixed evidence GI upset at effective doses
Partial / mixed evidence Taste and GI effects, beeturia
  • Well-supported
  • Partial / mixed evidence
  • Not offered

WHAT TO EXPECT

Built for Daily Use, Designed for Long-Term Impact

WEEKS 1-2

Early improvements in circulation and energy

WEEKS 3-4

More consistent energy and performance

WEEK 12

Clinically validated improvements in blood pressure and circulation

QUALITY & TRUST

A Higher Standard For Supplements

Clinically studied formulation

Clinically studied formulation

Manufactured to rigorous quality standards

Manufactured to rigorous quality standards

Measurable results with our at-home test strips

Measurable results with our at-home test strips

Trusted by 3,000+ healthcare practitioners

Trusted by 3,000+ healthcare practitioners

Do You Know your N.O.?

Loved by Thousands of Customers

Real people. Real results. See how Berkeley Life is helping customers feel more energized, balanced, and supported every day.

Excellent N.O. Booster

I've tried a few different N.O. boosters. Berkeley Life has proven to be the most effective and more importantly, the most consistently effective product. It seems their quality control is above the others and I'll continue to buy from them for both reasons.

Darrin E.

Noticeable increased energy level

I have been taking the NO tabs daily. My energy level is up and moreover sustained.

Gail M.

Improved Health

I am 69 yrs. old, and I am taking NO for heart health, blood pressure, and gut health. I have been taking it for three weeks, and already I can see and feel a difference. I have been taking the liquid, but just purchased the gum to try. I look forward to continued physical and mental improvement. Thank you

Cheryl M.

Medical Advisory board

Every Berkeley Life formula is reviewed by physicians and researchers who treat patients every day — so what you take is grounded in practice, not just marketing.

4

CLINICAL SPECIALISTS

+ 60

YEARS COMBINED PRACTICE

3

BESTSELLING AUTHORS

DR. MARIZA SYNDER, Women's hormone health & healthy aging

Women's health evolves at every life stage. Berkeley Life makes nitric oxide support a simple part of a daily routine focused on healthy aging.

DR. MARIZA SYNDER

DCFUNCTIONAL WELLNESSBESTSELLING AUTHOR

Reviews

4.7
Rated 4.7 out of 5 stars
Based on 368 reviews
92%would recommend these products
Slide 1 selected
368 reviews
  • NV
    Natalia V.
    Verified Buyer
    Reviewing
    Nitric Oxide Support
    I recommend this product
    How old are you? 55-64
    What is your gender? Female
    Category Energy
    Rated 5 out of 5 stars
    1 month ago
    Great product!

    Thank you, Berkeley Life, I feel more energetic throughout all 8 hrs of work, just because I started to take Nitric Oxide about 2 month ago.. it feels wonderful to gane back energy!

    NATALIA VULF

    BL Profile picture for Berkeley Life
    Berkeley Life
    1 month ago

    Thank you so much for sharing your wonderful experience with Nitric Oxide Support, Natalia! We're absolutely thrilled to hear that you've been feeling more energetic throughout your workday since starting the product about 2 months ago. It's fantastic that you're regaining that energy and feeling so great — that's exactly what we hope to help our customers achieve! We truly appreciate you taking the time to leave your feedback and for being part of the Berkeley Life community!

  • KJ
    Kevin J.
    Verified Buyer
    Reviewing
    Nitric Oxide Support
    I recommend this product
    How old are you? Over 65
    What is your gender? Male
    Category Energy, Sexual Health, Heart Health, Circulation, Performance
    Rated 4 out of 5 stars
    3 months ago
    Nitro

    I have only been taking for a short time but seems to be helping

    BL Profile picture for Berkeley Life
    Berkeley Life
    3 months ago

    Thank you so much for sharing your early experience with Nitric Oxide Support, Kevin! Many people start to notice initial benefits within the first few weeks, and these improvements often continue to develop as you maintain consistent use. We're excited for you to experience even more of the incredible benefits that Nitric Oxide Support can offer for your overall health and wellness as you continue your journey with the product!

  • DG
    Daryl G.
    Verified Buyer
    Reviewing
    Sample Pack
    I recommend this product
    Rated 5 out of 5 stars
    3 months ago
    Powerful stuff

    I only tried the sample but it definitely gave me the energy I need. I am very curious to start daily and see how this can be a game changer.

    BL Profile picture for Berkeley Life
    Berkeley Life
    3 months ago

    Thank you so much for sharing your incredible experience with the Sample Pack, Daryl! We're absolutely thrilled to hear that even just the sample gave you the energy boost you were looking for — that's exactly the kind of powerful impact we love to hear about! It's fantastic that you're already feeling curious about making it part of your daily routine, and we're so excited for you to discover what a true game changer consistent daily use can be for your energy levels and overall wellness. Your enthusiasm truly means the world to us!

  • KH
    Karl H.
    Verified Buyer
    Reviewing
    Nitric Oxide Support
    I recommend this product
    How old are you? 25-34
    What is your gender? Male
    Category Performance, Circulation
    Rated 5 out of 5 stars
    4 months ago
    This works !!

    I have been tracking my nitric oxide levels with test strips while experimenting with various supplements. While other brands resulted in only slight changes, Berkeley’s nitric oxide supplement produced a dramatic improvement in my readings.

    BL Profile picture for Berkeley Life
    Berkeley Life
    4 months ago

    Thank you so much for sharing your incredible experience with the test strips and Nitric Oxide Support, Karl! We're absolutely thrilled to hear that you've seen such dramatic improvements in your readings compared to other brands. It's wonderful that you're taking such a scientific approach to tracking your nitric oxide levels — your methodology really demonstrates the superior quality and effectiveness of our Berkeley Life formula. Your results speak volumes about the difference our product can make!

  • WH Profile picture for Wei H.google logo
    Wei H.
    Verified Buyer
    Reviewing
    Nitric Oxide Support
    I recommend this product
    How old are you? 35-44
    What is your gender? Female
    Category Circulation, Energy
    Rated 5 out of 5 stars
    5 months ago
    Great produce

    I take it first thing in the morning for NO support. I am loving it.

    BL Profile picture for Berkeley Life
    Berkeley Life
    5 months ago

    Thank you for your wonderful review, Wei! We're thrilled to hear that you're loving our Nitric Oxide Support and that it's working so well for you as part of your morning routine. Taking it first thing in the morning is a great approach for consistent NO support throughout your day. Your positive feedback means a lot to us, and we're so pleased that our formula is delivering the results you're looking for. We appreciate you being part of our wellness community!

Frequently Asked Questions

What does taking Nitric Oxide do for you?

A daily nitric oxide supplement helps support healthy blood flow, heart health, energy, endurance, and circulation by increasing the body's Nitric Oxide production through the dietary nitrate pathway.

What are the signs of low Nitric Oxide?

Common signs include reduced energy, poor exercise endurance, slower recovery, cold hands or feet, and changes in circulation. Supporting healthy NO levels with nitric oxide support may help address these changes.

Do Nitric Oxide supplements really work?

Yes. Clinically studied nitric oxide supplements can increase Nitric Oxide production through the dietary nitrate pathway, supporting healthy blood flow, vascular function, and overall wellness. What does Nitric Oxide support do?

What does Nitric Oxide support do?

Nitric Oxide support helps relax blood vessels, improve circulation, enhance oxygen delivery, and promote cardiovascular health, energy, performance, and healthy aging.

Is there any side effect of taking a Nitric Oxide supplement?

Dietary nitrate-based nitric oxide pills are generally well-tolerated when used as directed. If you take blood pressure medication, are pregnant or nursing, or have a medical condition, consult your healthcare provider before use.

How many nitric oxide capsules should I take per day?

Dosage varies by formula, most nitric oxide supplements are dosed once or twice daily as directed on the label. Always follow product instructions and consult a healthcare provider if you take blood pressure medications.

Can women take nitric oxide supplements?

Yes. Nitric oxide supplements are generally suitable for women seeking cardiovascular, energy, or circulation support. Those who are pregnant or breastfeeding should consult a healthcare provider before use.

Can you take magnesium with a nitric oxide supplement?

Yes, magnesium and nitric oxide supplements are generally taken together, magnesium supports vascular relaxation through complementary pathways. Consult a healthcare provider to confirm compatibility with your existing supplement routine.