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Histamine Block Plus

product on market Capsule Seeking Health Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 62% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This formula contains B vitamins and Vitamin C, which serve as essential cofactors for enzymes involved in histamine metabolism. Research provides moderate evidence that these nutrients support the body's natural ability to break down histamine. The ingredient profile is associated with a high safety score.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Histamine Block Plus
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Capsule(s)
Serving Size
30
Servings
Other Combinations
Product Type
62%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
100 mg (111% DV)
20 mg (1667% DV)
16.7× RDA — above typical dose 76 studies (A:0, B:33)
10 mg (769% DV)
7.7× RDA — above typical dose 13 studies (A:0, B:1)
25 mg (156% DV)
1.8× RDA — within safe limits 196 studies (A:5, B:63)
7 mg (412% DV)
5.4× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
10 mg (200% DV)
2.0× RDA — within safe limits 2 studies — no high-quality reviews
50 mg (12% DV)
Within RDA (0.1× RDA) 316 studies (A:8, B:159)
5 mg (45% DV)
Within RDA (0.5× RDA) 263 studies (A:6, B:134)
0.5 mg (56% DV)
Within RDA (0.6× RDA) 37 studies (A:0, B:11)
Alpha-Ketoglutaric Acid
150 mg
100 mg
Market median: 200.0mg (52 products) 12 studies (A:0, B:6)
LifePQQ
7 mg
DAO2
2.1 mg

Other Ingredients

Hypromellose Water Gellan Gum Microcrystalline Cellulose Ascorbyl Palmitate Silica
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: Take 2 capsules as needed, with or without food, or use as directed by your healthcare professional.

Warnings & Precautions

Cautions: Consult your healthcare professional before use, especially if you are pregnant or nursing.

Keep out of reach of children.

Contains ingredient derived from porcine (pig). Avoid if allergic to pork or any other ingredient.

Histamine Block is not effective for symptoms of immune-related (antibody or IgE-related) food allergies, such as peanuts, shellfish, etc., or for gluten intolerance due to sensitivity or celiac disease.

Formulation Notes

Histamine Block Plus nutritionally supports healthy histamine metabolism throughout the body.

The DAO enzyme and copper in this formula support normal histamine breakdown in the digestive tract. SAMe, riboflavin, and additional nutrients support histamine metabolism found systemically.

Does not contain: Milk, egg, fish, shellfish, tree nuts, peanuts, wheat, soy, gluten, GMO, artificial colors, or artificial flavors.

Histamine Block Plus meets or exceeds cGMP Quality Standards.

Manufactured in the USA from globally sourced ingredients Third-party independently tested

Additional Information

Storage: Keep tightly closed in a cool, dry place.

This package is completely recyclable

Find other effective health products at www.seekinghealth.com

Metadata

Product Details

UPC / SKU8 10007 52158 9
DSLD Entry Date2023-08-24
Product TypeOther Combinations
FormCapsule
BrandSeeking Health
DSLD ID292543
Data Updated2026-04-11
Research

Research Evidence

371
Research Sources
54
Avg Quality
148
Meta Analysis
82
Systematic Review
71
Rct
62
Clinical Trial
2
Regulatory Source
1
Cochrane Review
1
Narrative Review
1
Other
1
Openfda Safety
A Vitamin C supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017 PubMed DOI
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
A Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
Meta Analysis International journal of molecular sciences 2024 PubMed DOI
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021 PubMed DOI
View all evidence for Vitamin C →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.