NOW Foods Hawthorn Extract 300 mg combines a potent, standardized leaf and flower extract with whole hawthorn berry to deliver complete, time-tested cardiovascular support. Each vegetarian capsule is standardized to contain a minimum of 1.8% vitexin-2”-O-rhamnoside, providing verified levels of active bioflavonoids to promote arterial relaxation and healthy blood flow. By encouraging blood vessels to dilate and shielding tissues from daily oxidative stress, this dual-action herbal formula helps you maintain healthy blood pressure levels already within the normal range.
Quick Specs Snapshot
✓Active Form & Potency: 300 mg Hawthorn Extract (Leaf & Flower, standardized to min. 1.8% vitexin-2”-O-rhamnoside yielding 5.4 mg active bioflavonoids) plus 200 mg Hawthorn Berry fruit per single vegetarian capsule.
✓Supply & Value Math: 90 vegetarian capsules per bottle (a full 45 to 90-day supply), replacing two separate single-ingredient supplements with one potent, cost-effective daily formula.
✓Formulation Purity: Non-GMO, 100% vegan hypromellose capsules, free of gluten, soy, dairy, nuts, and artificial additives.
Smart Buyer Guide: Why Standardized Extract Plus Whole Berry Matters
Many discount supplements sold at big-box chain stores rely on unstandardized berry powders diluted with stems, leaves, or cheap fillers that contain almost no measurable active compounds [1]. NOW Foods pairs a clinically standardized extract of hawthorn leaves and flowers (yielding a guaranteed 1.8% vitexin-2”-O-rhamnoside) with 200 mg of whole hawthorn berry fruit [2]. This gives you the best of both worlds: guaranteed, laboratory-verified strength to relax blood vessels, plus the full spectrum of natural cofactors that make the herb gentle on your stomach [1, 2].
Ideal For Shoppers Who:
✓Want reliable, plant-based nutritional support to help maintain healthy blood pressure already within the normal range [2].
✓Seek to improve everyday circulation and keep arteries flexible and resilient against physical stress [1].
✓Prefer a clean, laboratory-tested herbal formula free from unverified imported fillers and common allergens.
Consider Another Option If:
✘You are currently taking prescription heart or blood pressure medications (such as ACE inhibitors, beta-blockers, or digoxin) and have not yet consulted your physician [3].
✘You prefer a liquid herbal drop or chewable format rather than a swallowable vegetable capsule.
✘You are pregnant or nursing (concentrated circulatory herbs are intended exclusively for non-pregnant adults).
Risk-Free Assurance: Every purchase is backed by VitaNet®, LLC's unconditional 100% money-back guarantee—we even cover return shipping costs, even on opened bottles, so you can test this formula completely risk-free.
Biochemical Mechanisms: How Hawthorn Works in the Body
Think of your circulatory system like a network of flexible garden hoses carrying water throughout a garden. If the hoses become stiff or narrow, water pressure inside rises, forcing the garden pump—your heart—to work much harder. Hawthorn works at the cellular level to help those muscular hoses relax and open up smoothly.
1. Stimulating Nitric Oxide (NO) and Arterial Relaxation
The delicate inner lining of your blood vessels is called the endothelium. When the standardized bioflavonoids in hawthorn (specifically vitexin-2”-O-rhamnoside and proanthocyanidins) enter your bloodstream, they activate an enzyme called endothelial nitric oxide synthase (eNOS) [1]. This enzyme produces nitric oxide (chemical formula: NO), a signaling molecule that acts like a green light telling the smooth muscle cells wrapped around your arteries to relax and widen [1]. When blood vessels relax (a process called vasodilation), blood moves with less resistance, helping maintain healthy blood pressure levels already within normal ranges [2].
2. Calcium Ion Balance and Heart Muscle Tone
Your heart beats around 100,000 times every single day. To pump efficiently, heart muscle cells require a balanced movement of calcium ions (chemical symbol: Ca2+) across their cell membranes. Hawthorn bioflavonoids gently support this mineral exchange and inhibit an enzyme called phosphodiesterase [1, 3]. This mild inotropic support helps the heart muscle contract with steady, natural strength while maintaining smooth rhythm and oxygen (chemical formula: O2) utilization [3].
3. Antioxidant Shield Against Free Radicals
Every day, normal metabolism and environmental stress create unstable molecules called free radicals. These free radicals act like tiny sparks that cause rust and cellular wear inside your blood vessels over time. The rich polyphenol network in hawthorn leaves, flowers, and berries acts like a sponge, intercepting and neutralizing reactive oxygen particles before they can damage delicate vascular cells [4].
Verified Scientific References:
[1] Brixius K, Willms S, Napp A, et al. Crataegus special extract WS 1442 induces an endothelium-dependent, NO-mediated vasorelaxation via eNOS-phosphorylation at serine 1177. Cardiovascular Drugs and Therapy. 2006;20(3):177-184.
[2] Walker AF, Marakis G, Simpson E, et al. Hypotensive effects of hawthorn for patients with diabetes taking prescription drugs: a randomised controlled trial. British Journal of General Practice. 2006;56(527):437-443.
[3] Pittler MH, Guo R, Ernst E. Hawthorn extract for treating chronic heart failure. Cochrane Database of Systematic Reviews. 2008;(1):CD005312.
[4] Tadić VM, Dobrić S, Marković GM, et al. Anti-inflammatory, gastroprotective, free-radical-scavenging, and antimicrobial activities of hawthorn berries ethanol extract. Journal of Agricultural and Food Chemistry. 2008;56(17):7700-7709.
Daily Dosing, Timing & Synergy Guidelines
Optimal Timing & Meal Pairing: Take 1 vegetable capsule 1 to 2 times daily, preferably with a meal. Hawthorn contains natural plant bioflavonoids and tannins. Swallowing your capsule with food and a full 8-ounce glass of water buffers your stomach lining, prevents mild digestive sensitivity, and enhances the intestinal absorption of active polyphenols [1, 4].
Circadian & Split-Dosing Strategy: Because hawthorn bioflavonoids have an active half-life of several hours in the bloodstream, taking 1 capsule with your morning breakfast and 1 capsule with dinner provides steady, round-the-clock vascular support. If you take only 1 capsule daily, taking it in the morning with breakfast is ideal to support daytime physical activity.
Smart Synergies & Spacing Rules: Hawthorn pairs exceptionally well with Coenzyme Q10 (CoQ10) for cellular energy in heart muscle and Magnesium for smooth muscle relaxation. However, if you take high-dose soluble fiber supplements (like psyllium husk) or detox binders, space them at least 2 hours apart from your hawthorn capsule to prevent them from binding to herbal bioflavonoids before your gut can absorb them.
Timeline of Expectations
✓Week 1 (Initial Absorption & Acclimation): Digestive breakdown occurs within minutes. Vitexin flavonoids enter the bloodstream, initiating cellular antioxidant defense and early endothelial priming [1, 4].
✓Weeks 3–4 (Tissue Saturation & Baseline Support): Polyphenols accumulate steadily in the vascular endothelium. Many users note a feeling of sustained cardiovascular ease and stable circulatory comfort during daily walking or exercise [2].
Delivery Format & Swallowability: Encapsulated in a standard Size 0 vegetarian two-piece capsule made from plant cellulose. These smooth capsules are lightweight, slender, and glide down easily with water, eliminating the sticky or gummy feeling common with cheap animal gelatin capsules.
Natural Aroma, Taste & Color Notes: Because NOW uses genuine, unbleached hawthorn leaves, flowers, and berries without synthetic food dyes, each capsule displays a natural light brown to earthy tan color with tiny dark herbal flecks. When you open the bottle, you will notice a mild, pleasant herbal berry aroma. Natural batch-to-batch color variation is completely normal and confirms the botanical authenticity of seasonal harvests.
Other Ingredients Demystified:
Hypromellose (cellulose capsule): A clean, 100% vegetarian capsule shell derived from natural plant fiber that dissolves rapidly and cleanly in stomach acid.
Magnesium Stearate (vegetable source): A plant-derived lubricant used in tiny amounts to ensure powders flow smoothly into capsules without sticking to encapsulation equipment.
Silicon Dioxide: Pure natural silica that absorbs ambient humidity, keeping the dry botanical powder crisp and preventing clumping inside the capsule.
Storage & Bottle Stability: Store in a cool, dry place after opening, away from heat, steam, and direct sunlight. The bottle is crafted from 100% Post-Consumer Recycled (PCR) resin, guarding sensitive bioflavonoids from UV degradation while reducing plastic waste.
NOW Foods Laboratory Testing & Contaminant Safeguards
Many discount supplements sold at big-box superstores or online open marketplaces cut corners by buying unverified bulk powders from overseas brokers. Independent testing routinely reveals that discount store supplements can be diluted with inert fillers, mislabeled, or contaminated with toxic heavy metals.
NOW Foods protects your family by operating world-class, in-house analytical testing laboratories in Bloomingdale, Illinois, and Sparks, Nevada, accredited under ISO/IEC 17025:2017—the international gold standard for laboratory testing competence. Over 19,000 comprehensive analytical tests are run every single month across raw botanicals and finished bottles:
✓ICP-MS Heavy Metal Screening: Inductively Coupled Plasma Mass Spectrometry analyzes every single batch down to parts-per-billion (ppb) concentrations. NOW strictly limits toxic lead (chemical symbol: Pb), arsenic (As), cadmium (Cd), and mercury (Hg) to levels far cleaner than required by the United States Pharmacopeia (USP) and California Proposition 65 rules.
✓HPLC & HPTLC Botanical Fingerprinting: High-Performance Thin-Layer Chromatography and High-Performance Liquid Chromatography verify the exact identity of genuine Crataegus species and confirm the guaranteed 1.8% concentration of vitexin-2”-O-rhamnoside, ensuring zero adulteration with cheaper herbs.
✓GC-MS/MS & LC-MS/MS Pesticide Analysis: Advanced tandem mass spectrometry screens raw hawthorn harvests against an extensive panel of more than 500 agricultural chemical residues, fungicides, and synthetic extraction solvents.
✓Microbiological Screening: Automated PCR and culture plating confirm that every production lot is 100% free from harmful bacterial pathogens, including Salmonella, Escherichia coli, and Staphylococcus aureus, with strict limits on yeast and mold counts.
Supplement Facts & Retailer Verification
NOW Foods guarantees full label transparency with zero hidden blends or undisclosed fillers. Below is the verified nutritional disclosure for SKU N4708:
Serving Size: 1 Veg Capsule
Servings Per Container: 90
Description
Amount per Serving
% Daily Value
Hawthorn Extract (Leaf & Flower) (Standardized to min. 1.8% Vitexin-2”-O-rhamnoside)
300 mg
**
Hawthorn (Berry)
200 mg
**
** Daily Value not established.
Other Ingredients: Hypromellose (cellulose capsule), Magnesium Stearate (vegetable source), and Silicon Dioxide.
Allergen Free-From Statement: Not manufactured with yeast, wheat, gluten, soy, milk, egg, fish, shellfish, tree nut, or sesame ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.
Caution: For adults only. Consult physician if pregnant/nursing, taking medication (especially cardiac and blood pressure medications), or have a medical condition (especially a heart or blood pressure condition). Keep out of reach of children.
Why Choose VitaNet®, LLC?
Founded in 1995 and based in Hartville, Ohio, VitaNet®, LLC brings over 31 years of dedicated supplement curation, human biochemistry expertise, and family-owned integrity to every order. When you order from VitaNet®, you avoid unverified third-party sellers, counterfeit items, and heat-damaged inventory. Every bottle comes straight from authorized manufacturer channels and is held in climate-controlled storage.
✓Unconditional 100% Money-Back Guarantee: If you are not satisfied, we will refund your purchase and pay the return shipping costs—even on opened bottles.
✓BBB A+ Accredited Business: Decades of verified honesty, fair discount pricing, and dedicated customer care.
✓Real Telephone Support: Speak directly with experienced supplement specialists at (330) 877-8786.
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Frequently Asked Questions
1. Can I open the capsule and mix the hawthorn powder into water or a smoothie?
Yes. The vegetable capsule easily pulls apart by gently twisting the ends. You can stir the fine botanical powder directly into applesauce, oatmeal, yogurt, or a smoothie. Hawthorn powder has a mild, earthy, slightly tart berry taste that blends smoothly into foods without clumping.
2. What is the difference between standardized hawthorn extract and plain hawthorn berry powder?
Plain hawthorn berry powder contains raw dried fruit, which has variable levels of active compounds depending on soil and harvest conditions. NOW Hawthorn Extract combines 200 mg of whole berry with 300 mg of leaf and flower extract standardized to contain at least 1.8% vitexin-2”-O-rhamnoside. This guarantees you receive a clinically verified, measurable dose of active bioflavonoids in every single capsule.
3. Will taking this supplement break an intermittent fast?
No. A single vegetable capsule contains less than 1 gram of carbohydrate and negligible calories, so it will not spike your blood sugar or kick you out of fasting ketosis. However, because herbal bioflavonoids absorb best and feel gentlest when taken with food, we recommend taking your capsules alongside your daily meals.
4. Can I take NOW Hawthorn Extract alongside CoQ10 or prescription blood pressure medications?
Hawthorn works synergistically with CoQ10 to support both cellular energy and smooth arterial blood flow. However, because hawthorn naturally encourages blood vessels to relax, it can produce an additive effect when combined with prescription blood pressure medications (such as ACE inhibitors or beta-blockers) or cardiac glycosides (like digoxin). If you take prescription cardiovascular medications, always consult your physician before adding hawthorn extract to your routine.
5. Why does this formula combine hawthorn leaves and flowers with hawthorn berries?
In traditional European herbal medicine and modern clinical trials, hawthorn leaves and flowers supply the highest concentration of vitexin flavonoids and oligomeric proanthocyanidins (OPCs) for vascular relaxation. Hawthorn berries contribute complementary organic acids and anthocyanins that support capillary integrity. Combining both parts provides a complete cardiovascular botanical profile.
