🟢 87/100

This product is generally safe

  • Niacin: 200mg is 5.7× the Tolerable Upper Intake Level (35mg)
  • 67% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Niacin: 200mg is 5.7× the Tolerable Upper Intake Level (35mg)

Label Data

1 Capsule(s) Serving Size
60 Servings
Other Combinations Product Type
67% Evidence Coverage

Supplement Facts — Evidence Check

200 mg (1000% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 5.7× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 200mg UL 35mg
14 mg (4% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 14mg
Seredyn Proprietary Blend
480 mg

Other Ingredients

Magnesium Stearate Gelatin Capsule Rice Flour powder Silicon Dioxide

Label Claims — Verification

All Other
Structure/Function
All Other (97% of products) Structure/Function (86% of products) Nutrient (36% of products)

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Directions: Seredyn can be taken every day or occasionally "as needed". To use regularly for relief of worry and stress, take one or two capsules 2-3x daily. To use occasionally to calm down fast in stressful situations, take 1-3 capsules "as needed".

⚠️ Warnings & Precautions

Precautions & drug interactions: May potentiate sedatives and alcohol. May cause drowsiness. Use caution when driving until you are familiar with the effects of Seredyn. Consult a healthcare professional before taking Seredyn if you have a serious medical condition. Discontinue use if unusual symptoms occur.

Consult a healthcare professional before taking Seredyn if you are pregnant or nursing.

Not recommended for young children.

🧪 Formulation Notes

Clinical studies show the ingredients in Seredyn promote relaxation and reduce stress, nervous tension and irritability.

Manufactured with standardized plant extracts and SunTheanine 100% pure L-Theanine to deliver the highest quality and potency.

Complete calm

Additional Information

Find the serenity

Store in a cool, dark place.

Product Details

UPC / SKU 7 36211 31401 7
DSLD Entry Date 2021-06-23
Product Type Other Combinations
Form Capsule
Brand BioNeurix
DSLD ID 249127
Data Updated 2026-04-11

Research Evidence

241 Research Sources
55 Avg Quality Score
113 Meta Analysis
75 Systematic Review
32 Rct
11 Clinical Trial
3 Other
3 Regulatory Source
1 Cochrane Review
1 Narrative Review
1 Openfda Safety
A Niacin for primary and secondary prevention of cardiovascular events
Meta Analysis The Cochrane database of systematic reviews 2017
A Use of high potency statins and rates of admission for acute kidney injury: multicenter, retrospective observational analysis of administrative databases
Meta Analysis BMJ (Clinical research ed.) 2013
A Effect on cardiovascular risk of high density lipoprotein targeted drug treatments niacin, fibrates, and CETP inhibitors: meta-analysis of randomised controlled trials including 117,411 patients
Meta Analysis BMJ (Clinical research ed.) 2014
A A terminal metabolite of niacin promotes vascular inflammation and contributes to cardiovascular disease risk
Meta Analysis Nature medicine 2024
A Meta-analysis and imputation refines the association of 15q25 with smoking quantity
Meta Analysis Nature genetics 2010
A Genome-wide meta-analyses identify multiple loci associated with smoking behavior
Meta Analysis Nature genetics 2010
A Antidepressants for smoking cessation
Meta Analysis The Cochrane database of systematic reviews 2014
A Topical azelaic acid, salicylic acid, nicotinamide, sulphur, zinc and fruit acid (alpha-hydroxy acid) for acne
Meta Analysis The Cochrane database of systematic reviews 2020
B Assessment of the Role of Niacin in Managing Cardiovascular Disease Outcomes: A Systematic Review and Meta-analysis
Meta Analysis JAMA network open 2019
B Association Between Lowering LDL-C and Cardiovascular Risk Reduction Among Different Therapeutic Interventions: A Systematic Review and Meta-analysis
Meta Analysis JAMA 2016
View all evidence for Niacin →

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