Can NMN Really Lower Blood Pressure? 10 Clinical Studies Reveal: These People Benefit the Most

In recent years, scientific research has introduced a new possibility: alongside standardized medical treatment, targeted nutritional supplementation may become a powerful ally in blood pressure management.
Today, we’re talking about one of the biggest stars in the anti-aging field — NMN (Nicotinamide Mononucleotide). Can it really help lower blood pressure? Who may benefit the most? And is it safe?
In March 2026, the internationally recognized journal Nutrients published a systematic review and meta-analysis conducted by a research team from Hangzhou Normal University. Based on high-quality randomized controlled trial data, the study demonstrated for the first time that NMN supplementation may provide mild yet beneficial effects for individuals with elevated blood pressure, offering new scientific evidence for early blood pressure management.

△ Literature screenshot
PART 01
Why Scientists Are Focusing on NMN’s Blood Pressure-Lowering Potential
NMN is one of the direct precursors of NAD⁺ (Nicotinamide Adenine Dinucleotide), a vital coenzyme involved in energy metabolism, DNA repair, vascular function maintenance, and many other essential biological processes.
Unfortunately, NAD⁺ levels naturally decline with age. This decline contributes directly to:
- Vascular aging
- Endothelial dysfunction
- Reduced vascular elasticity
- Gradually increasing blood pressure
- Improve vascular dilation function
- Reduce pulse wave velocity (indicating improved vascular elasticity)
- Restore the activity of key endothelial enzymes by increasing NAD⁺ levels
PART 02
10 RCTs, 349 Participants: How Effective Is NMN for Blood Pressure?
This study, conducted by the Hangzhou Normal University team, strictly followed PRISMA guidelines. Researchers systematically searched four major databases — PubMed, Scopus, Web of Science, and EBSCO — ultimately including:
- 10 randomized double-blind placebo-controlled trials
- 349 adults with elevated blood pressure
- 11 intervention groups
- Intervention durations ranging from 4 to 12 weeks
- Daily NMN doses between 250 mg and 1500 mg
- Fixed-effects statistical model analysis
Key Findings
For Diastolic Blood Pressure (Lower Number): Effective Across All Age GroupsAfter NMN supplementation, diastolic blood pressure decreased by an average of 2.15 mmHg. The results were statistically significant and highly consistent across studies.
In simple terms: regardless of age, NMN appeared to provide a stable, modest reduction in diastolic blood pressure.
For Systolic Blood Pressure (Upper Number): Overall Effect Was Limited, but Seniors Benefited Significantly
- General adult population: systolic blood pressure decreased by only 1.58 mmHg, which was not statistically significant
- Adults aged 60 and above: systolic blood pressure decreased by 3.94 mmHg, showing a clear and reliable benefit

△ Figure: Meta-analysis of the effects of NMN supplementation on systolic blood pressure (A) and diastolic blood pressure (B)
Who Benefited the Most? Subgroup Analysis Revealed:
- Adults aged 60 and above: systolic blood pressure dropped by nearly 4 mmHg, making them the primary beneficiary group
- BMI < 25 kg/m²: stronger blood pressure-lowering effects
- Daily dose < 300 mg: surprisingly more effective than higher doses (suggesting that more is not always better)
- Intervention duration ≥ 10 weeks: more stable outcomes
- Non-Asian populations: greater reductions in systolic blood pressure (possibly related to diet and genetic differences)
PART 03
Clinical Significance and Safety
Some people may wonder: “Does a 2 mmHg reduction really matter?”
According to the researchers, even small reductions in blood pressure can produce meaningful clinical benefits.
Every 2 mmHg Reduction in Diastolic Blood Pressure May Lead To:
- 6% lower risk of coronary heart disease
- 15% lower risk of stroke
A 4 mmHg Reduction in Systolic Blood Pressure Among Older Adults May Reduce:
- Cardiovascular adverse event risk by approximately 10%–12%
Safety and Side Effects
Safety is naturally one of the biggest concerns for consumers. The findings were reassuring:- Dosage range studied: 250 mg/day to 1500 mg/day
- Tolerability: NMN demonstrated good overall tolerability
- Adverse reactions: a very small number of participants reported mild diarrhea or abdominal discomfort, but similar symptoms also appeared in placebo groups and were generally self-limiting
- No serious adverse events: no severe health problems caused by NMN were reported
PART 04
Scientific Blood Pressure Management Starts with Understanding NMN
Managing high blood pressure is a comprehensive process involving dietary adjustments, regular exercise, medication, and psychological well-being. Although NMN has shown promising blood pressure-lowering potential, it should not replace conventional treatments at this stage.
The true value of this study lies in its balanced scientific approach. It neither exaggerates NMN as a miracle solution nor dismisses supplements unfairly. Instead, it provides an evidence-based and honest conclusion within the limits of current research:
For adults over 60 with elevated blood pressure, NMN may be a worthwhile complementary option.
If you decide to try NMN, choosing a product with reliable raw materials, advanced manufacturing technology, and transparent quality testing becomes especially important. With years of expertise in NMN research and production, Bontac Bioengineering utilizes the world’s first full-enzyme catalytic technology alongside a rigorous end-to-end quality control system to provide millions of users worldwide with high-purity, highly active, and safer premium NMN ingredients.
Scientific vascular health and rational anti-aging begin with choosing high-quality NMN.
As research continues to advance, NMN may become an important supportive tool in future blood pressure management. Until then, maintaining rational expectations, using it scientifically, and never replacing standardized medical treatment remain the wisest approach.
In this era of information overload, let’s empower ourselves with science, protect our health, and enjoy a better life together!
References:
ZHANG Mu, CHEN Yingci, JIANG Nan, et al. Effects of Nicotinamide Mononucleotide Supplementation on Blood Pressure: A Systematic Review and Meta-Analysis of Randomized Controlled Trials[J]. Nutrients, 2026, 18(6): 890.