Swanson Vitamins, Hawthorn, Standardized, Capsules Review
Swanson Vitamins Hawthorn, Standardized, is a hawthorn supplement sold as capsules. The serving size is 1 capsule. Each serving lists two main ingredients: Hawthorn Extract at 250 mg and Hawthorn Berry at 250 mg. The other ingredients printed on the label are gelatin, rice flour and maltodextrin. The label information provided here does not give the number of servings in a container, so check the bottle in your hand for the count. No directions for use are printed in the label details provided, so read the packaging for anything the maker adds. Because the capsule holds both the extract and the berry, the label shows two separate hawthorn lines rather than one combined amount. Buyers most often say the capsules are small and easy to swallow, with no taste worth noting. Many also say they take it for heart and blood pressure support and are pleased with the quality.
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Study, Trial or Testing Result Summary
Members Only24 human studies · 16 improved
Studies of hawthorn for blood pressure are mixed. In a trial of 92 adults with mild high blood pressure, hawthorn extract taken three times a day for over four months lowered both the top and bottom numbers compared with placebo [1]. In 79 people with type 2 diabetes, 1200 mg a day for 16 weeks lowered only the bottom number [2]. In 78 adults with mild heart failure, 600 mg a day for 8 weeks lowered the top number and heart rate and improved exercise capacity [3]. Other trials found no clear effect. In 36 adults taking 500 mg a day for 10 weeks, results did not differ from placebo, though the bottom number trended down [4]. A hawthorn fruit drink taken for 8 weeks did not change blood pressure [5]. A few days of hawthorn extract in 21 adults also showed no change [6]. This product gives 250 mg per serving. That reaches a full dose only at the two servings a day members are told to take. The best results came from longer use of several months. Animal and cell studies are never counted.
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- Pooling four placebo-controlled trials of 221 adults with low blood pressure, a hawthorn and camphor combination raised both top and bottom blood pressure numbers compared with placebo, which is the intended effect for low blood pressure.The combination of hawthorn extract and camphor significantly increases blood pressure: A meta-analysis and systematic r…
- A broad review of herbal remedies for heart disease listed hawthorn among herbs with promising benefits but gave no hawthorn-specific blood pressure results and called for larger trials.A Systematic Review of Herbal Interventions for the Management of Cardiovascular Diseases.
- In 143 people with mild heart failure taking hawthorn berry extract for 8 weeks, exercise capacity was higher than with placebo, but changes in the blood pressure-heart rate product favored hawthorn without reaching statistical significance.A randomised double blind placebo controlled clinical trial of a standardised extract of fresh Crataegus berries (Cratae…
- In 136 people with mild heart failure, 8 weeks of hawthorn extract improved the pressure-heart rate product during exercise compared with placebo, whose group worsened.[Crataegus Special Extract WS 1442. Assessment of objective effectiveness in patients with heart failure (NYHA II)].
- In 92 adults with mild high blood pressure, hawthorn extract three times daily for over 4 months lowered both systolic and diastolic blood pressure after 3 months compared with placebo.Antihypertensive effect of Iranian Crataegus curvisepala Lind.: a randomized, double-blind study.
- In two trials of 40 and 48 women with chronic low blood pressure, a camphor-hawthorn combination raised blood pressure and improved attention and thinking tasks within minutes compared with placebo.The effect of Camphor-Crataegus berry extract combination on blood pressure and mental functions in chronic hypotension-…
- In 80 women aged 50 to 80, a camphor-hawthorn combination gave a short-term rise in blood pressure and better thinking performance than placebo.D-camphor-crataegus berry extract combination increases blood pressure and cognitive functioning in the elderly - a rand…
- In 79 people with type 2 diabetes mostly on medication, 1200 mg daily hawthorn extract for 16 weeks lowered diastolic blood pressure more than placebo, but there was no significant difference in systolic pressure.Read the study on PubMed (16762125) →
- In 78 adults with mild chronic heart failure, 600 mg a day of hawthorn extract for 8 weeks lowered systolic blood pressure and heart rate more than placebo and increased exercise capacity.Efficacy of the Hawthorn (Crataegus) preparation LI 132 in 78 patients with chronic congestive heart failure defined as …
- In 61 Chinese adults with mild high blood pressure or high blood fats, a hawthorn fruit drink for 8 weeks did not change blood pressure significantly compared with placebo; systolic pressure rose with both drinks.Effects of Hawthorn Fruit Extract Drink in Chinese Patients With Mild Hypertension and/or Hyperlipidaemia: A Randomized,…
- In 60 adults with high-normal or stage I high blood pressure, a combination supplement containing hawthorn taken for 8 weeks lowered systolic, diastolic and aortic blood pressure and an inflammation marker more than placebo.Effect of dietary supplementation with Diuripres® on blood pressure, vascular health, and metabolic parameters in indivi…
- In 54 young adults with normal blood pressure, four doses of 20 drops of a camphor and hawthorn berry combination raised blood pressure more than placebo within a single session.The effects of repeated administration of camphor-crataegus berry extract combination on blood pressure and on attention…
- In 48 people with orthostatic hypotension, a single dose of a camphor and hawthorn berry drop combination reduced the blood pressure fall on standing versus placebo, with the largest dose giving significant effects.Camphor-Crataegus berry extract combination dose-dependently reduces tilt induced fall in blood pressure in orthostatic …
- In 40 adults with mild heart failure, 12 weeks of hawthorn extract WS 1442 gave a larger drop in heart workload than placebo and a borderline gain in exercise tolerance, with no safety concerns.Clinical efficacy of crataegus extract WS 1442 in congestive heart failure NYHA class II.
- In 38 adults over 50 with low blood pressure on standing, one week of a camphor and hawthorn berry drop combination taken three times daily reduced the blood pressure drop more than placebo, though a single dose did not reach significance.A randomized trial of Korodin Herz-Kreislauf-Tropfen as add-on treatment in older patients with orthostatic hypotension.
- In 36 adults with mild high blood pressure, 500 mg of hawthorn extract daily for 10 weeks did not differ significantly from placebo, though diastolic pressure showed a non-significant trend downward.Promising hypotensive effect of hawthorn extract: a randomized double-blind pilot study of mild, essential hypertension.
- In 30 people with mild heart failure, taking one hawthorn extract capsule twice daily for 8 weeks improved exercise heart workload and symptom scores more than placebo, and blood pressure fell mildly in both groups.[Crataegus Special Extract WS 1442 in NYHA II heart failure. A placebo controlled randomized double-blind study].
- In 21 prehypertensive or mildly hypertensive adults, hawthorn extract at three doses taken twice daily for 3.5 days showed no dose-related change in artery dilation or blood pressure compared with placebo.Effect of hawthorn standardized extract on flow mediated dilation in prehypertensive and mildly hypertensive adults: a r…
- A beetroot and hawthorn supplement taken twice daily for 30 days raised blood nitrite and nitrate and lowered high triglycerides in 72 percent of people with elevated levels, compared with their own starting levels; blood pressure was not reported.All-natural nitrite and nitrate containing dietary supplement promotes nitric oxide production and reduces triglycerides…
- In adolescents with low blood pressure, a single 20-drop dose of a camphor and hawthorn berry combination raised blood pressure significantly more than placebo, with no serious side effects.Blood Pressure and Cognitive Performance After a Single Administration of a Camphor-Crataegus Combination in Adolescents…
- In heat-exposed factory workers over 40 days, a daily hawthorn beverage with vitamin C lowered blood pressure more than a salted water control and reduced a urinary marker of oxidative stress.Effect of vitamin C and hawthorn beverage formula on blood pressure and oxidative stress in heat-exposed workers: a clus…
- In a large observational study of 1,011 adults with mild heart failure, a hawthorn extract taken for 24 weeks was followed by better exercise tolerance, lower blood pressure, fewer ankle swellings, and good tolerability, though there was no control group.[High-dose Crataegus extract WS 1442 in the treatment of NYHA stage II heart failure].
- In a German retrospective review of 490 patients with low blood pressure on standing, a hawthorn and camphor drop product was linked to more symptom improvement and a larger rise in systolic blood pressure than control drugs, with few side effects.[Efficacy and safety of a herbal drug containing hawthorn berries and D-camphor in hypotension and orthostatic circulato…
- In 212 people with mild heart failure followed in a non-randomized cohort over 8 weeks, the homeopathic hawthorn preparation was as good as standard meds treatment on most measures but did not reduce blood pressure as much.Efficacy of a homeopathic Crataegus preparation compared with usual therapy for mild (NYHA II) cardiac insufficiency: re…
Review Totals and Summary
Members Only80 reviews · 95% positive
Buyers are mostly positive about this hawthorn capsule, and it carries about 80 ratings across the stores that sell it. Most comments come from people who use it for heart and circulation support, and the capsules are praised as easy to swallow. **What buyers say it did for them.** Many describe a sense of heart support. One says "helps control my racing heart." Another writes that a spouse's "energy levels have improved." Blood pressure comes up often. One buyer says "my blood pressure levels have been improving," and another uses it in cold weather to slightly lower their own readings. A few mention a calmer feeling, with one saying "I feel a bit more relaxed, especially after stressful days." Another notes a gentle effect after regular use. **What they complain about.** The reviews contain no real complaints. Nobody reports a bad taste, a problem with the capsules, or an upset stomach. Some entries are only general praise for quality and packaging, or a note that the buyer has just started and finds it satisfactory so far. **Taste, smell, pill size and form.** This is the most consistent point. Buyers call the capsules "small in size and easy to swallow." One adds "no taste to note." Another says the packaging is secure and keeps the capsules fresh. A daily user takes one or two a day and finds the size easy. **Value for money.** Price gets little attention. One buyer calls it "cheap but effective." Several praise the quality and the choice of ingredients, and one says it is a "high quality supplement that I trust." Buyers also like that it has both berry and extract, and one points to the standardized extract for consistency. **Who it seems to suit and who it did not.** It seems to suit people who want a daily hawthorn capsule for heart and circulation, including long term users who say they only buy this brand. Some buy it for a partner, and others use it as one of several herbs they rotate. Others like a natural option that feels gentle. No reviewer says it did not suit them, and none describe stopping it.
Biohacker Summary
Members Only4 of 10 recommend it
Only two of the ten panelists spoke about hawthorn, the main ingredient in this product, so the panel gives limited guidance as a group. One of them recommends hawthorn berry extract as a natural remedy for angina, irregular heartbeat, and various circulatory and respiratory problems, and suggests keeping it on hand, especially when traveling. The other uses hawthorn berries in a smoothie, which points to a whole berry form rather than an extract. Neither gave a dose, neither named anything to pair it with beyond the smoothie ingredients, and no one voiced a caution or said they stopped taking it.
See all 2 biohackers →Hide the biohackers
Dr. Eric Berg · Hawthorn · recommends
- Recommends hawthorne berry extract as a natural remedy for angina, irregular heartbeat, and various circulatory and respiratory problems, suggesting it's good to keep around, especially when traveling.
Ben Greenfield · Hawthorn · uses
- Includes hawthorn berries in his smoothie.
RAL Summary
Members OnlyTier 3 for Blood Pressure
Tier 3 fits: 93% of 86 reviews are positive, and several human trials show hawthorn lowering blood pressure [1][3], although other trials found no effect [4].
Take 2 servings a day (2 capsules) to match the dose that worked in the studies.
Where the evidence disagrees: 4 of the 24 human studies found no effect.
More Details
Members OnlyBody systems · Combine with · Possible side effects
Body systems: Cardiovascular system
Combine with: Combine with a healthy diet and lifestyle.
Possible side effects: No major side effects reported.
Supplement Facts
Hawthorn Extract 250 mg · Hawthorn Berry 250 mg
| Hawthorn Extract | 250 mg | † |
| Hawthorn Berry | 250 mg | † |
Other ingredients: Gelatin, rice flour, maltodextrin.
Barcode (UPC) 087614140391 · Label source: Reverseagelab · Report a label change
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- DASH Diet for High Blood Pressure: What It Lowers, What to Eat, and How to StartArticle · Sep 19, 2026
Graded November 14, 2026 by the Reverse Age Lab evidence engine, from human studies, real reviews and our biohacker panel. How we grade. Is this medical advice? No. Rala organizes the published evidence; go over any change with your doctor, especially if you take meds.
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