Formula 598 by DC — Ingredients, Evidence & Safety

Product Label

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Label Data

1 Capsule(s) Serving Size

Botanical Product Type

100% Evidence Coverage

Supplement Facts — Evidence Check

Hawthorn extract

150 mg

📊 Market median: 333.0mg (166 products) 📚 9 studies (Tier A: 0, B: 2)

This product: 150mg

Hawthorn

37.5 mg

📊 Market median: 333.0mg (166 products) 📚 9 studies (Tier A: 0, B: 2)

This product: 37.5mg

Other Ingredients

Vegetable Cellulose Gelatin Vegetable Magnesium Stearate Silica

Label Claims — Verification

❓ All Other

❓ Structure/Function

All Other (98% of products) Structure/Function (71% of products) No Claim (2% of products) Nutrient (2% of products)

Target Groups

Adult (18 - 50 Years) Kosher Women (not pregnant or lactating) Gluten Free

Product Information

📋 Directions for Use

Directions: As a dietary supplement, take 3 capsules daily, preferably one in the morning and two in the evening with meals or a glass of water.

⚠️ Warnings & Precautions

Tamper Evident: Do not use this product if imprinted foil seal under cap is broken or missing.

Keep out of reach of children.

Caution: If you are pregnant or nursing do not take this product.

🧪 Formulation Notes

Mfg. in an FDA Registered Facility using Good Manufacturing Practices (GMPs)

Conforms to USP <2091> for weight. Meets USP <2040> disintegration for maximum bioavailability.

Gluten free

Hawthorn extract Containing vitexin

Promotes heart health

Ko Kosher Service

Made in USA

Additional Information

Keep tightly closed. Store at room temperature: 59 degrees - 86 degrees F (15 degrees to 30 degrees C).

Quali Pure

Ko Kosher Service

Product Details

DSLD Entry Date 2021-07-27

Product Type Botanical

Form Capsule

Brand DC

DSLD ID 245038

Data Updated 2026-04-11

Research Evidence

11 Research Sources

49 Avg Quality Score

8 Rct

3 Meta Analysis

B Hawthorn extract for treating chronic heart failure

Meta Analysis The Cochrane database of systematic reviews 2008

PubMed DOI

B The combination of hawthorn extract and camphor significantly increases blood pressure: A meta-analysis and systematic review

Meta Analysis Phytomedicine : international journal of phytotherapy and phytopharmacology 2019

PubMed DOI

C Effect of vitamin C and hawthorn beverage formula on blood pressure and oxidative stress in heat-exposed workers: a cluster-randomized controlled trial

Rct Asia Pacific journal of clinical nutrition 2024

PubMed DOI

C Hawthorn extract for treating chronic heart failure: meta-analysis of randomized trials

Meta Analysis The American journal of medicine 2003

PubMed

C Hawthorn Extract Randomized Blinded Chronic Heart Failure (HERB CHF) trial

Rct European journal of heart failure 2009

PubMed DOI

C The effect of Crataegus oxycantha Special Extract WS 1442 on clinical progression in patients with mild to moderate symptoms of heart failure

Rct European journal of heart failure 2008

PubMed DOI

C [Crataegus Special Extract WS 1442. Assessment of objective effectiveness in patients with heart failure (NYHA II)]

Rct Fortschritte der Medizin 1996

PubMed

C Clinical efficacy of crataegus extract WS 1442 in congestive heart failure NYHA class II

Rct Phytomedicine : international journal of phytotherapy and phytopharmacology 2001

PubMed

C Effects of a Scutellaria baicalensis/Crataegus laevigata, magnesium and chromium supplement on stressed individuals: A randomised, double-blind, placebo-controlled, crossover trial.

Rct Journal of psychopharmacology (Oxford, England)

PubMed DOI

C [Actions of standardized extracts of Crataegus berries on exercise tolerance and quality of life in patients with congestive heart failure]

Rct Arzneimittel-Forschung 2001

PubMed

View all evidence for Hawthorn →