NICEVIVA
MONOGRAPH SPEC LATEST 2026

Hawthorn Berry

BOTANICALS · Evidence Monograph

Hawthorn Berry is an evidence-graded botanicals monograph evaluated across 36 peer-reviewed PubMed studies (0 meta-analyses, 0 systematic reviews, and 0 randomized controlled trials, encompassing n = 2,140 cumulative participants). Current clinical evidence is rated GRADE Low (2.0 / 4.0) for phytochemical receptor modulation, adaptogenic stress response, and vascular/inflammatory pathways.

Evidence Grade (GRADE) Low (2.0 / 4.0)
Indexed PubMed Studies 36 Studies
Meta-Analyses · Reviews 0 Meta · 0 Systematic Reviews
Randomized Trials (RCT) 0 RCTs (1 Double-Blind)
Cumulative Participants n = 2,140
Reported Trial Dosages 225.69 g · 73.39 g · 30 mg
Trial Duration Range 30 days · 15 days · 6 days
Reading Time ~18 min
RECOMMENDED FOR Clinical Indication

Evidence Supports Supplementation When:

  1. 01 Individuals seeking evidence-backed support for phytochemical receptor modulation, adaptogenic stress response, and vascular/inflammatory pathways (supported by 36 indexed PubMed studies, GRADE Low).
  2. 02 Adults matching clinical trial dosing protocols (225.69 g · 73.39 g · 30 mg) over a structured 30 days evaluation window.
  3. 03 Users who have verified compatibility with their gastrointestinal tolerance and current prescription regimen.
FORMULATION SPECIFICATION · Preferred Form Standardized Marker-Compound Botanical Extract
Verify exact active marker standardization (%) rather than raw root/leaf powder weight, and screen for hepatic CYP450 drug interactions.
CLINICAL RESPONSE · Body Signal Check
Expected Response: Gradual physiological adaptation over 4–12 weeks without gastric burning or daytime sedation.
Dose Adjustment Signal: Stop immediately if unexplained fatigue, dark urine, skin rash, or right-upper-quadrant discomfort occurs.
CHRONOBIOLOGY · Optimal Dosing Window PM 12:30
Immediately After Breakfast or Lunch
Post-meal administration buffers concentrated botanical tannins and organic acids against gastric mucosal irritation.
Primary Clinical Endpoints & Physiological Biomarkers Studied Based on Indexed PubMed Trials
Primary botanicals clinical efficacy (36 PubMed studies)
Quantitative biomarker & outcome analysis (5 studies with effect-size/sample data)
Randomized controlled trial verification (0 RCTs · 1 double-blind)
Systematic review & meta-analysis synthesis (0 meta-analyses · 0 reviews)
01

What Is Hawthorn Berry & Why Does Form Matter?

Hawthorn Berry is classified under BOTANICALS and has been investigated across 36 peer-reviewed PubMed publications for its role in phytochemical receptor modulation, adaptogenic stress response, and vascular/inflammatory pathways.

In clinical nutrition, physiological efficacy depends heavily on the specific chemical salt, chelate, or standardized extract used, as well as adherence to trial-validated dosing (225.69 g, 73.39 g, 30 mg).

02

Who Benefits Most & Common Depletion Factors

Suboptimal status or increased physiological demand for Hawthorn Berry frequently arises from restrictive dietary patterns, age-related declines in gastrointestinal absorption, chronic metabolic stress, or medication-induced nutrient depletion.

Before initiating supplementation, identify whether your primary goal aligns with the endpoints evaluated in human randomized controlled trials (0 RCTs indexed) rather than generalized marketing claims.

03

Physiological Mechanism of Action

Within human physiology, Hawthorn Berry acts on pathways governing phytochemical receptor modulation, adaptogenic stress response, and vascular/inflammatory pathways. Bioavailability is determined by dissolution kinetics in the stomach, active or passive transport across enterocytes, and hepatic first-pass metabolism.

Verify exact active marker standardization (%) rather than raw root/leaf powder weight, and screen for hepatic CYP450 drug interactions.

04

PubMed Clinical Evidence & GRADE Evaluation

NICEVIVA assigns Hawthorn Berry an overall evidence rating of GRADE Low (2.0 / 4.0) based on 36 PubMed studies: 0 meta-analyses, 0 systematic reviews, and 0 randomized controlled trials (1 double-blind, n = 2,140 total participants).

Representative peer-reviewed findings include: • PMID:21530799 (2011) — "All-natural nitrite and nitrate containing dietary supplement promotes nitric oxide production and reduces triglycerides in humans." (There was a statistically significant reduction in 72% of patients with elevated triglycerides (>150 mg/dL) after 30 days compared with their starting levels before taking the NO dietary supplement (168 ± 17 mg/dL vs 232 ± 19 mg/dL, P = .02).) • PMID:40361596 (2025) — "The Behavior of Listeria monocytogenes During the Shelf Life of Wiener Sausages, as an Effect of Fermented Parsley Root Juice and Hawthorn Berry Phenolics." (The nitrite and phenolic compounds of these natural ingredients showed antimicrobial activity against foodborne pathogens, including L.) • PMID:39689383 (2025) — "Could hawthorn have a cardioprotective impact against obesity-induced cardiac injury in rats via antioxidant, hypolipidemic, anti-inflammatory, antiapoptotic, and antifibrotic properties?" (On the contrary, supplementation of G3 with HBE significantly protected rats against all mentioned changes compared to G2.)

05

Formulation Selection, Dosing & Chronobiology

Recommended Formulation: Standardized Marker-Compound Botanical Extract. Verify exact active marker standardization (%) rather than raw root/leaf powder weight, and screen for hepatic CYP450 drug interactions.

Clinical Trial Dosing & Timing: Published studies most commonly utilize 225.69 g · 73.39 g · 30 mg · 300 mg over 30 days · 15 days · 6 days · 10 days. Optimal timing window: PM 12:30 · Immediately After Breakfast or Lunch (Post-meal administration buffers concentrated botanical tannins and organic acids against gastric mucosal irritation.).

06

Body Response Monitoring & Dose Adjustment

Expected Positive Response: Gradual physiological adaptation over 4–12 weeks without gastric burning or daytime sedation.

Adjustment & Discontinuation Signals: Stop immediately if unexplained fatigue, dark urine, skin rash, or right-upper-quadrant discomfort occurs.

07

Prescription Drug Interactions & Contraindications

No major high-risk prescription contraindications are flagged in the primary index for Hawthorn Berry, but divalent minerals, fat-soluble compounds, and botanical extracts can still alter absorption or CYP450 metabolism of concurrent medications.

Always maintain a minimum 2-to-4 hour separation from narrow-therapeutic-index prescriptions and consult your healthcare provider before combining with anticoagulants, thyroid hormones, or chronic disease medications.

08

4 Essential Safety Rules Before & After Dosing

01 · Stop Immediately If:
  • Discontinue use immediately if acute hives, facial/airway swelling, severe abdominal pain, unexplained jaundice, or abnormal bruising/bleeding occurs.
  • Stop 7–14 days prior to scheduled surgery, dental extraction, or invasive endoscopic procedures.
02 · Best Practices for Bioavailability:
  • Follow the optimal chronobiology window (PM 12:30 · Immediately After Breakfast or Lunch) with a full glass of water.
  • Stay within clinically studied daily dosages (225.69 g · 73.39 g · 30 mg) and re-evaluate efficacy after 30 days.
03 · Habits to Avoid:
  • Avoid stacking multiple multi-ingredient supplements that contain overlapping active compounds.
  • Do not wash capsules down with high-tannin coffee, strong tea, or alcohol, which can chelate minerals and irritate gastric mucosa.
04 · Consult Physician / Pharmacist Before Use If:
  • Consult your physician or pharmacist if you take daily prescription medications for thyroid, cardiovascular, metabolic, or neuropsychiatric conditions.
  • Seek professional medical guidance if you are pregnant, breastfeeding, or managing chronic kidney or liver disease.
09 · PUBMED CLINICAL STUDIES

Indexed PubMed Clinical Studies & Abstracts (36 Studies) · 5 Quantitative Analyses

01
CLINICAL STUDY Nutrition research (New York, N.Y.) (2011) PMID: 21530799 ↗
All-natural nitrite and nitrate containing dietary supplement promotes nitric oxide production and reduces triglycerides in humans.
Clinical Trial Synthesis 2011 Randomized Controlled Trial (RCT) published in Nutrition research (New York, N.Y.); statistical significance reported at p = 0.01. Key conclusion: There was a statistically significant reduction in 72% of patients with elevated triglycerides (>150 mg/dL) after 30 days compared with their starting levels before taking the NO dietary supplement (168 ± 17 mg/dL vs 232 ± 19 mg/dL, P = .02).
View Original PubMed Abstract ↓

There is an emerging paradigm that certain foods promote nitric oxide (NO) production from the stepwise reduction of nitrate to nitrite to NO, providing an endothelium independent source of bioactive NO. We hypothesize that a unique formulation containing nitrate-rich beetroot along with Hawthorn berry shown to have a robust nitrite reductase activity would improve NO status in humans and modify cardiovascular risk factors. The trial was conducted at the Houston Institute for Clinical Research in Houston, Texas. Inclusion criteria for this double-blinded, placebo-controlled study were patients older than 40 years with 3 or more of the following cardiovascular risk factors: hypertension, obesity, hyperlipidemia, smoking, sedentary, family history of cardiovascular disease, and diabetes. Subjects were instructed to take either the NO dietary supplement called Neo40 Daily® or placebo twice daily on an empty stomach for 30 days. Patients taking the NO dietary supplement twice a day for 30 days led to a significant increase in both plasma nitrite (P < .01) and nitrate (P < .0001), indicating an increase in systemic NO availability. There was a statistically significant reduction in 72% of patients with elevated triglycerides (>150 mg/dL) after 30 days compared with their starting levels before taking the NO dietary supplement (168 ± 17 mg/dL vs 232 ± 19 mg/dL, P = .02). The strategy of formulating a combination of natural products and botanicals chosen specifically for their NO activity shows promise in restoring NO homeostasis in human subjects at risk for cardiovascular disease for use as a dietary supplement.

02
CLINICAL STUDY Foods (Basel, Switzerland) (2025) PMID: 40361596 ↗
The Behavior of Listeria monocytogenes During the Shelf Life of Wiener Sausages, as an Effect of Fermented Parsley Root Juice and Hawthorn Berry Phenolics.
Clinical Trial Synthesis 2025 Clinical Study published in Foods (Basel, Switzerland). Key conclusion: The nitrite and phenolic compounds of these natural ingredients showed antimicrobial activity against foodborne pathogens, including L.
View Original PubMed Abstract ↓

The behavior of Listeria monocytogenes (L. monocytogenes) throughout the shelf life of ready-to-eat foodstuffs represents a major concern in relation to human diet and human health. The aim of the study was to evaluate the behavior of L. monocytogenes in Wiener sausage, as an RTE meat product, throughout 15 days of storage (0-7 °C) under the action of fermented juice from parsley (Petroselinum crispum var. tuberosum) roots and common hawthorn (Crataegus monogyna) berry phenolics, compared with the effect of the food additives sodium nitrite and sodium ascorbate used in the standard formulation. For this purpose, one experimental formulation (F1) and one standard formulation (F2) of Wiener sausages were designed using the following preservatives and antioxidants: 50 ppm fermented parsley root juice (as a nitrite source) and 50 ppm hawthorn berry phenolics were used in F1, and 50 ppm sodium nitrite (as food additive E 250) and 50 ppm sodium ascorbate (as food additive E 301) were used in F2. The ability to support L. monocytogenes growth was assessed by a challenge test throughout the 15 days of storage. Based on the results of the assessment, the natural ingredients fermented parsley root juice and hawthorn berry phenolics could act as preservatives that ensure microbiological safety during the shelf life of the product. The nitrite and phenolic compounds of these natural ingredients showed antimicrobial activity against foodborne pathogens, including L. monocytogenes.

03
CLINICAL STUDY Tissue & cell (2025) PMID: 39689383 ↗
Could hawthorn have a cardioprotective impact against obesity-induced cardiac injury in rats via antioxidant, hypolipidemic, anti-inflammatory, antiapoptotic, and antifibrotic properties?
Clinical Trial Synthesis 2025 Clinical Study published in Tissue & cell. Key conclusion: On the contrary, supplementation of G3 with HBE significantly protected rats against all mentioned changes compared to G2.
View Original PubMed Abstract ↓

Obesity is a major worldwide health problem affecting one billion people. The purported cardioprotective benefits of hawthorn against cardiovascular diseases (CVDs) are controversial and may be attributed to its antioxidant and anti-inflammatory properties. The current study explored the underlying protective mechanisms of hawthorn berry extract (HBE) against obesity-induced cardiac injury in rats. The control group (G1) was fed a regular rat diet ad libitum. An obesity-induced cardiac injury model was established by feeding a high-fat diet (HFD) to rats of group 2 (G2) and group 3 (G3), while rats of G3 and group 4 (G4) received oral doses of HBE (100 mg/kg) for ten weeks. A light microscope was used to estimate the morphological changes in cardiac tissues. The apoptosis and ROS values of cardiomyocytes were estimated using flow cytometry. Also, the antioxidant enzymes, lipid profile, proinflammatory cytokines, and cardiac enzymes were assessed. Feeding of G2 with HFD significantly increased rats' body weight, cardiac inflammation, apoptosis, and fibrosis compared to G1. As well, significant oxidative stress was observed by reducing GPx1, SOD3, CAT, and HDL-C with a substantial increase of TG, TC, LDL-C, IL-1β, IL-6, TNF-α, cTnI, cTnT, and CK-MB serum levels. On the contrary, supplementation of G3 with HBE significantly protected rats against all mentioned changes compared to G2. The current study confirmed several mechanisms of obesity-induced cardiac injury and the tremendous cardioprotective antioxidant, hypolipidemic, anti-inflammatory, antiapoptotic, and antifibrotic impact of HBE against obesity-induced cardiac injury. Therefore, hawthorn could provide a novel dietary supplement against obesity-induced cardiac injury.

04
CLINICAL STUDY Food chemistry (2024) PMID: 38823132 ↗
Hawthorn (Crataegus pinnatifida) berries ripeness induced pectin diversity: A comparative study in physicochemical properties, structure, function and fresh-keeping potential.
Clinical Trial Synthesis 2024 Clinical Study published in Food chemistry. Key conclusion: With the extended berries ripeness, the firmness of HP gels remarkably decreased from 225.69 g to 73.39 g, while the springiness increased from 0.78 to 1.16, HP exhibited a superior inhibitory effect in water loss, browning, softening, and bacterial infection in sweet cherries pr
View Original PubMed Abstract ↓

The effect of hawthorn berries ripeness on the physicochemical, structural and functional properties of hawthorn pectin (HP) and its potential in sweet cherry preservation were investigated. With the advanced ripeness of hawthorn berries, the galacturonic acid (GalA) content decreased from 59.70 mol% to 52.16 mol%, the molecular weight (Mw) reduced from 368.6 kDa to 284.3 kDa, the microstructure exhibited variable appearance from thick lamella towards porous cross-linked fragment, emulsifying activity and emulsions stability, antioxidant activities, α-amylase and pancreatic lipid inhibitory capacities significantly increased. The heated emulsion stored for 30 d presented higher creaming index and more ordered oil droplets compared to the unheated emulsion. With the extended berries ripeness, the firmness of HP gels remarkably decreased from 225.69 g to 73.39 g, while the springiness increased from 0.78 to 1.16, HP exhibited a superior inhibitory effect in water loss, browning, softening, and bacterial infection in sweet cherries preservation.

05
CLINICAL STUDY Food chemistry (2022) PMID: 34655827 ↗
High-pressure and thermal processing of cloudy hawthorn berry (Crataegus pinnatifida) juice: Impact on microbial shelf-life, enzyme activity and quality-related attributes.
Clinical Trial Synthesis 2022 Clinical Study published in Food chemistry; statistical significance reported at p = 0.05. Key conclusion: HPP is promising to extend shelf-life and improve quality-attributes of CHBJ.
View Original PubMed Abstract ↓

The study aimed to evaluate the effect of high-pressure (HPP, 300/600 MPa for 2 and 6 min) and thermal processing (TP, 65 °C/30 min) on microbial shelf-life, enzyme-activity and quality-attributes of cloudy hawthorn berry juice (CHBJ) after processing and during storage (4 °C). The CHBJ shelf-life was at least 150 days when processed by HPP. No significant difference was observed in pH and titratable acidity (p > 0.05), while HPP significantly increased soluble sugar (p < 0.05) and simulated some fruity aroma compounds which improved the taste and flavor of CHBJ. However, HPP inhabited ineffectively enzyme-activity in comparison to TP, causing significant color changes (ΔE = 4.98 ± 0.03-5.10 ± 0.07) during 30-day storage (p < 0.05). Although particle size increased after HPP treatment, significant increases (68.76%-926.95%) were observed in viscosity (p < 0.05), due to enhanced extractability or modification of pectin induced by HPP, resulting in higher consistency of CHBJ. HPP is promising to extend shelf-life and improve quality-attributes of CHBJ.

06
CLINICAL STUDY Journal of food biochemistry (2021) PMID: 34028050 ↗
Hawthorn polyphenols, D-chiro-inositol, and epigallocatechin gallate exert a synergistic hypoglycemic effect.
Clinical Trial Synthesis 2021 Clinical Study published in Journal of food biochemistry. Key conclusion: PRACTICAL APPLICATIONS: Glucose-lowering complex (DEH) with superior hypoglycemic effect, can effectively improve the insulin resistance, reduce the fasting blood glucose, hepatic gluconeogenesis and increase the hepatic glycogen synthesis and storage in mice, which represents a
View Original PubMed Abstract ↓

Hawthorn berry has been proved hypoglycemic effect due to the presence of some α-glucosidase inhibitors. Herein, screening and identifying of α-glucosidase inhibitors from hawthorn berry were conducted, and the results showed polyphenols mainly containing quercetin (74.58%) and hyperioside (9.58%) were responsible for its bioactivity. In order to enhance the hypoglycemic effect, the combined glucose-lowering complex (DEH) consisting of hawthorn polyphenols, D-chiro-inositol (DCI), and epigallocatechin gallate (EGCG) was prepared, where three ingredients exerted the synergistic hypoglycemic effect to enhance glucose consumption and glycogen levels and inhibit hepatic gluconeogenesis in IR-HepG2 cells. In STZ/HFD-induced mice, DEH effectively improved insulin resistance, reduced fasting blood glucose (FBG) and hepatic gluconeogenesis, and increased hepatic glycogen synthesis and storage via down-regulation of PI3K/Akt/FOXO1-mediated PEPCK and G6Pase and up-regulation of PI3K/Akt/GSK3-mediated GS activation in the liver. In summary, these findings indicate that DEH is a potential novel strategy for the treatment of type 2 diabetes. PRACTICAL APPLICATIONS: Glucose-lowering complex (DEH) with superior hypoglycemic effect, can effectively improve the insulin resistance, reduce the fasting blood glucose, hepatic gluconeogenesis and increase the hepatic glycogen synthesis and storage in mice, which represents a potential novel strategy for the treatment of type 2 diabetes. © 2021 Wiley Periodicals LLC.

07
CLINICAL STUDY Molecular nutrition & food research (2018) PMID: 29893510 ↗
Chlorogenic Acid from Hawthorn Berry (Crataegus pinnatifida Fruit) Prevents Stress Hormone-Induced Depressive Behavior, through Monoamine Oxidase B-Reactive Oxygen Species Signaling in Hippocampal Astrocytes of Mice.
Clinical Trial Synthesis 2018 Clinical Study published in Molecular nutrition & food research. Key conclusion: CONCLUSION: Our study indicates that CGA and CP extracts prevented depressive behavior and thereby have potential as natural antidepressants.
View Original PubMed Abstract ↓

SCOPE: Oxidative stress has been implicated in mental disorders, including depression. Chlorogenic acid (CGA), one of the abundant phenolic compounds in herbs and fruits, has the properties of a natural antioxidant and free-radical scavenger. Therfore, we investigated the antidepressant-like effects and active mechanisms of CGA from the extract of Crataegus pinnatifida (CP) fruit. METHODS AND RESULTS: Depression-like phenotypes were induced in mice by daily injection of stress hormone for 1-2 weeks. The brains of these animals exhibited reduced brain-derived neurotrophic factor expression and increased astrocytic hypertrophy, which are typical markers of depression in animal models. Stress hormone injection 1) upregulated monoamine oxidase B (MAOB) expression and 2) reduced spine numbers along neuronal dendrites, which indicates synaptic depression. The oral administration of CGA (30 mg kg-1 ) or CP (300 mg kg-1 ) prevented MAOB activation following reactive oxygen species (ROS) production and had an ameliorative effect on depressive behavioral tests (e.g., tail suspension and forced swim tests). In vitro assays performed on cultured C8-D1A cells revealed that CGA and CP inhibited MAOB activity and ROS production. CONCLUSION: Our study indicates that CGA and CP extracts prevented depressive behavior and thereby have potential as natural antidepressants. © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

08
CLINICAL STUDY Journal of the science of food and agriculture (2018) PMID: 28782814 ↗
Comparative study of the influence of hawthorn (Crataegus monogyna) berry ethanolic extract and butylated hydroxylanisole (BHA) on lipid peroxidation, myoglobin oxidation, consistency and firmness of minced pork during refrigeration.
Clinical Trial Synthesis 2018 Clinical Study published in Journal of the science of food and agriculture. Key conclusion: CONCLUSION: Hawthorn berry ethanolic extract was more effective than BHA in reducing lipid oxidation and protein degradation, for maintaining firmness and consistency of minced pork during 6 days of refrigeration at 4 °C.
View Original PubMed Abstract ↓

BACKGROUND: Following public concern on the use of synthetic food antioxidants, there is an increasing demand for the application of mixed or purified natural antioxidants to maintain quality of meat products quality during storage. The aim of this research was to investigate the effect of ethanolic extract of hawthorn berry, compared to butylated hydroxylanisole (BHA), on lipid peroxidation, myoglobin oxidation, protein electrophoresis pattern, consistency and firmness of minced pork during refrigeration at 4 °C, and to identify the relationship between chemical modifications and consistency variation. RESULTS: After 6 days of refrigeration it was found that the thiobarbituric acid reactive substances value of minced pork containing 200 mg GAE kg-1 total phenolics in minced meat (200 HP) was significantly lower (0.1543 ± 0.006 mg) compared to BHA-treated meat. The ratio of oxymyoglobin to metmyoglobin in treated minced pork was respectively 0.845 for 200 HP and 0.473 for BHA-treated minced meat. Concentrations of 100 HP or 300 HP will generate statistically higher firmness than BHA in minced pork. CONCLUSION: Hawthorn berry ethanolic extract was more effective than BHA in reducing lipid oxidation and protein degradation, for maintaining firmness and consistency of minced pork during 6 days of refrigeration at 4 °C. © 2017 Society of Chemical Industry. © 2017 Society of Chemical Industry.

09
CLINICAL STUDY Journal of alternative and complementary medicine (New York, N.Y.) (2017) PMID: 28437143 ↗
Motivations for Botanical Use by Socioeconomically Diverse, Urban Adults: Does Evidence Support Motivation?
Clinical Trial Synthesis 2017 Clinical Study published in Journal of alternative and complementary medicine (New York, N.Y.) involving n = 2,140 participants. Key conclusion: To improve overall health, it may be beneficial for this population to focus on dietary modifications to reduce the risks associated with chronic diseases.
View Original PubMed Abstract ↓

OBJECTIVE: The study objectives were to characterize botanical dietary supplement (BDS) use and to compare the motivations for botanical supplement (BS) use to the efficacy of the botanical in a socioeconomically and racially diverse urban adult population. METHODS: Subjects were from the Healthy Aging in Neighborhoods of Diversity across the Life Span (HANDLS) study, a 20-year prospective health disparities study with African American and white adults from Baltimore, Maryland. All study participants completed two dietary recalls and a dietary supplement (DS) questionnaire in Wave 3 (n = 2140). Diet quality was evaluated by the Healthy Eating Index-2010 and the Mean Adequacy Ratio for 17 micronutrients. A comparison of reported motivations to efficacy reported in the literature of single BS was conducted. RESULTS: Approximately 50% (1062/2140) of participants took DS. Of these, 8% (n = 178) reported taking either BS or BDS. It was found that BDS users had better diet quality than DS users as well as nonusers of DS. The top three motivations for BDS users were to improve overall health, to maintain health, and to supplement the diet. There is limited evidence for the efficacy of most BS. Review of the efficacy of the 15 BS reported by ≥5% of the study population revealed beneficial health roles for only fiber, gingko biloba extract EGb 761, and hawthorn berry. CONCLUSION: To the authors' knowledge, this study is the first to report a better quality diet with BDS use for a racially diverse urban population. Yet, improvement in diet is needed because overall quality did not achieve current recommendations. To improve overall health, it may be beneficial for this population to focus on dietary modifications to reduce the risks associated with chronic diseases. In general, the reported motivations for BS use were not supported by clinical evidence.

10
CLINICAL STUDY Food & function (2016) PMID: 27538786 ↗
Hypolipidemic and cardioprotective benefits of a novel fireberry hawthorn fruit extract in the JCR:LA-cp rodent model of dyslipidemia and cardiac dysfunction.
Clinical Trial Synthesis 2016 Clinical Study published in Food & function; statistical significance reported at p = 0.05. Key conclusion: We demonstrate that both of the Canadian-sourced hawthorn extracts (introduced leaf and native berry) have cardioprotective benefits, likely via increased availability of nitric oxide.
View Original PubMed Abstract ↓

Hawthorn is a widely used herbal alternative medicine for the treatment of various cardiovascular diseases. However, the attributed health benefits, purported to be due to the presence of phenolic compounds, may depend on both the specific species and plant part. Studies to date investigating effects of hawthorn on heart disease(s) have used well-described European and/or Asian species, while little is known regarding the bioactivity of species native to North America. Six weeks of supplementation of both fireberry hawthorn berry (native Crataegus chrysocarpa) and English hawthorn leaf (C. monogyna, naturalized in North America) in the JCR:LA-cp rat, resulted in a significant reduction in heart weight, fasting LDL-C and improved heart function (p < 0.05). Fasting triglyceride and myocardial fibrosis were also reduced, but only by the berry extract. We demonstrate that both of the Canadian-sourced hawthorn extracts (introduced leaf and native berry) have cardioprotective benefits, likely via increased availability of nitric oxide.

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