BESTSELLER
Rated 4.7 out of 5 stars
371 Reviews
Nitric Oxide Support
Clinically proven daily Nitric Oxide support for blood flow, energy, heart health, performance, and healthy aging.
SUPPLEMENT FACTS
GMP Certified
FDA Registered Facility
GMO Free
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
Trusted By Real People.Everywhere
Customer reviews. Individual experiences vary.
One Molecule.Five Systems.
Two capsules a day. Clinically validated Nitric Oxide support for the systems that drive how you feel, perform, and age.
- Potassium Nitrate
- Vitamin C
- Magnesium
- Fermented Beet Root
- Beetroot Extract (25% Betaine Nitrate)
Berkeley Life works via the dietary nitrate to nitrite to Nitric Oxide pathway, validated in double-blind, placebo-controlled trials. Nitric Oxide signals blood vessels to relax and widen, improving blood flow and supporting healthy blood pressure. Clinical research on Berkeley Life's formula showed reductions in carotid artery stiffness and improvements in vascular responsiveness after 8 to 12 weeks of daily use. Magnesium reinforces this by further relaxing smooth muscle in blood vessel walls. For anyone searching for the best Nitric Oxide supplements for cardiovascular support, this clinically tested formula sets a clear standard.
- Potassium Nitrate
- Vitamin C
- Magnesium
- Fermented Beet Root
- Beetroot Extract (25% Betaine Nitrate)
Nitric Oxide improves how efficiently your muscles receive and use oxygen. Berkeley Life's clinical trial subjects showed a 300% increase in capacity to produce energy after 3 months. Vitamin B12 and Thiamin (B1) are essential cofactors in cellular energy metabolism, and Magnesium plays a direct role in ATP production. The result is sustained stamina and reduced fatigue, with no stimulants. This is what separates a clinically backed Nitric Oxide supplement from a standard multivitamin.
- Potassium Nitrate
- Vitamin C
- Magnesium
- Fermented Beet Root
- Beetroot Extract (25% Betaine Nitrate)
The brain consumes roughly 20% of the body's blood supply. By driving vasodilation via the nitrate-to-NO pathway, Berkeley Life supports the cerebral blood flow needed for sharp thinking and sustained focus. Vitamin B12 is critical for neurological function, nerve sheath integrity, and neurotransmitter synthesis. Thiamin (B1) supports glucose metabolism in the brain, the primary fuel for cognitive performance. Supporting Nitric Oxide blood flow to the brain is one of the most effective ways to support mental clarity as you age.
- Potassium Nitrate
- Vitamin C
- Magnesium
- Fermented Beet Root
- Beetroot Extract (25% Betaine Nitrate)
Nitric Oxide is the key molecule behind blood flow to every part of the body, including sexual function. Berkeley Life's clinical pilot showed a 75% increase in libido and 83% enhanced orgasm after 60 days. Improved blood flow supports desire and performance in both men and women. Vitamin C enhances NO bioavailability by reducing oxidative breakdown, extending the duration and magnitude of each dose. That is why Nitric Oxide pills focused on vascular health can also have a meaningful impact on sexual wellness.
- Potassium Nitrate
- Vitamin C
- Magnesium
- Fermented Beet Root
- Beetroot Extract (25% Betaine Nitrate)
After age 40, the body's ability to produce Nitric Oxide declines significantly, reducing blood flow and increasing cardiovascular strain. Berkeley Life's Nitric Oxide Support helps replenish NO levels through the dietary nitrate pathway, supporting vascular flexibility, healthy blood pressure, and metabolic efficiency. Among the top Nitric Oxide supplements available today, Berkeley Life is one of the few backed by double-blind, placebo-controlled clinical trials. Vitamin C enhances NO bioavailability by reducing oxidative breakdown, extending the duration and magnitude of each dose.
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
- Placebo
- [PLACEBO DELTA]
- NO Support
- -12.5 mmHg
28 %
Improvement in circulation (FMD)
Flow-mediated dilation is the gold-standard measure of how well blood vessels widen on demand. It was a secondary endpoint of the same 12-week Harbor-UCLA trial.
- Randomized
- Double-blind
- 12 weeks
- Placebo-controlled
Clinical Nutrition ESPEN, 2020
- Placebo
- [PLACEBO DELTA]
- NO Support
- +28% FMD
378 %
Increase in nitrate levels at the 2-hour peak
After a single dose, nitrate rose 378% above each participant's own starting level within two hours, and was still elevated at hour 24. That long tail is what makes once-daily dosing work.
- Open-label
- Phase 1
- Single dose
- 24h sampling
J. Clin. Med. (MDPI) - Univ. of Virginia
+378% at 2h peak
Still elevated at 24h
Your baseline
- 0h
- +0%
- 2h
- +378%
- 6h
- +300%
- 12h
- +185%
- 18h
- +130%
- 24h
- +118%
75 %
Of women reported increased desire
In a 60-day pilot of women averaging age 60, including women on HRT, most reported meaningful gains in intimacy and wellbeing. Built on the same NO pathway as our Menopause & NO Support formula.
- Pilot study
- 60 days
- Avg. age 60
- Self-reported
J. Allen, 2024 - unpublished, no placebo arm
Share of women reporting improvement after 60 days
- Increased desire
- 75%
- Improved orgasm
- 83%
- Increased lubrication
- 58%
As estrogen declines, nitric oxide production drops - affecting blood flow, vascular flexibility and energy.
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 Pathway stays active as NOS declines | 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 | Well-supported 12-week RCT on the actual product | 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 | Well-supported Patented NO saliva test strips | Not offered Not offered | Not offered Not offered | Not offered Not offered |
| Easy to take every day | Well-supported Capsule, no oral sensation | 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
Dietary nitrate capsule
Nitric oxide gummies
L-Arginine / L-Citrulline
Beetroot powder / juice
Works at every age
Well-supported
Pathway stays active as NOS declines
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
Well-supported
12-week RCT on the actual product
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
Well-supported
Patented NO saliva test strips
Not offered
Not offered
Not offered
Not offered
Not offered
Not offered
Easy to take every day
Well-supported
Capsule, no oral sensation
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
Manufactured to rigorous quality standards
Measurable results with our at-home test strips
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.
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
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.
Reviews
92%would recommend these products
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371 reviews
- PSPetra S.Verified BuyerReviewingNO Starter KitI recommend this productHow old are you? 45-54What is your gender? FemaleCategory Energy, CirculationRated 5 out of 5 starsYesterdayNO Support works
I am enjoying this supplement. It’s easy to incorporate with other supplements I already use. I take one pill first thing in the morning and the second one with my lunch. I have noticed having more energy and improved blood circulation. My feet are not as swollen as they used to be by the end of the day. The test strips are simple to use and the results are easy to read. I have gone from “Very Low” level to “Target”.
BLBerkeley Life23 hours agoWe're absolutely thrilled to hear that you're enjoying the supplement and that it's been so easy to incorporate into your daily routine. It's fantastic that you've noticed such meaningful improvements — increased energy, better blood circulation, and reduced swelling in your feet by the end of the day are all wonderful signs that the product is working for you.
Thank you for being a valued member of the Berkeley Life community, and we're so grateful you took the time to share your feedback!
- NVNatalia V.Verified BuyerReviewingNitric Oxide SupportI recommend this productHow old are you? 55-64What is your gender? FemaleCategory EnergyRated 5 out of 5 stars1 month agoGreat 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
BLBerkeley Life1 month agoThank 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!
- KJKevin J.Verified BuyerReviewingNitric Oxide SupportI recommend this productHow old are you? Over 65What is your gender? MaleCategory Energy, Sexual Health, Heart Health, Circulation, PerformanceRated 4 out of 5 stars3 months agoNitro
I have only been taking for a short time but seems to be helping
BLBerkeley Life3 months agoThank 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!
- DGDaryl G.Verified BuyerReviewingSample PackI recommend this productRated 5 out of 5 stars3 months agoPowerful 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.
BLBerkeley Life3 months agoThank 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!
- KHKarl H.Verified BuyerReviewingNitric Oxide SupportI recommend this productHow old are you? 25-34What is your gender? MaleCategory Performance, CirculationRated 5 out of 5 stars4 months agoThis 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.
BLBerkeley Life4 months agoThank 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!
Frequently Asked Questions
What does taking Nitric Oxide do for you?
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?
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?
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?
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?
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?
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?
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?
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.