Natural Stacks Serotonin Brain Food™, 60 Vegan Capsules supplement bottle
Natural Stacks

Serotonin Brain Food™, 60 Vegan Capsules Review

What We Researched
5 active ingredients analyzed · 5 inactive ingredients decoded · 2 brand certifications checked · Last updated: Aug 2026
93
Product Score Excellent
79
Brand Score Fair

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Niacin (as Niacinamide ) 150 mg 938%
Magnesium (as Magnesium bisglycinate) 50 mg 12%
Zinc (as Zinc bisglycinate chelate) 20 mg 182%
L-Tryptophan 1,250 mg **
Rhodiola Rosea (root) extract(Standardized to 3% total rosavins, min 1% salidrosides) 400 mg **
Bioavailability Excellent

Absorption Rating

  • Niacin (as Niacinamide ) Good
  • Magnesium (as Magnesium bisglycinate) Good
  • Zinc (as Zinc bisglycinate chelate) Good
  • L-Tryptophan Good
  • Rhodiola Rosea (root) extract(Standardized to 3% total rosavins, min 1% salidrosides) Good
Other Ingredients Excellent

Fillers & Additives

  • Ascorbyl Palmitate
  • Magnesium Stearate
  • Hypromellose
  • Silica
  • Vegetable Capsule
Efficacy Very Good

Dosage Analysis

  • Niacin (as Niacinamide ) 150 mg High
  • Magnesium (as Magnesium bisglycinate) 50 mg Under-dosed
  • Zinc (as Zinc bisglycinate chelate) 20 mg Effective
  • L-Tryptophan 1,250 mg Effective
  • Rhodiola Rosea (root) extract(Standardized to 3% total rosavins, min 1% salidrosides) 400 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Niacin (as Niacinamide ) 150 mg 938%
Magnesium (as Magnesium bisglycinate) 50 mg 12%
Zinc (as Zinc bisglycinate chelate) 20 mg 182%
L-Tryptophan 1,250 mg **
Rhodiola Rosea (root) extract(Standardized to 3% total rosavins, min 1% salidrosides) 400 mg **

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Ascorbyl Palmitate Safe

Prevents oxidation and extends shelf life of oil-based supplements.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Hypromellose Safe

Forms vegetarian capsule shells. Dissolves easily in the stomach.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Vegetable Capsule Safe

It is used as a vegetarian alternative to gelatin capsules.

Brand Trust Report
Natural Stacks

Founded 2013 · Seattle, WA, United States · 34 products · naturalstacks.com/

Certifications

2 certifications
Fda Gmp Inspections Verified Source
NSF Certified Verified

Transparency

4 claims
Third Party Testing Claim — Verified Source
Coa Availability — Verified Source
Testing Lab Disclosure — Verified Source

Violation History

1 incident
Prop 65 Benzene2021-08-31Source
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Frequently Asked Questions
Is Natural Stacks Serotonin Brain Food™, 60 Vegan Capsules a good supplement?

Natural Stacks Serotonin Brain Food™, 60 Vegan Capsules received a product quality score of 93/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 5 active ingredients with 20 servings per container. All 5 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Natural Stacks, holds a brand trust score of 79/100 with 2 verified certifications including Fda Gmp Inspections, NSF Certified.

What are the ingredients in Natural Stacks Serotonin Brain Food™, 60 Vegan Capsules?

Natural Stacks Serotonin Brain Food™, 60 Vegan Capsules contains 5 active ingredients: Niacin (as Niacinamide ) (150 mg), Magnesium (as Magnesium bisglycinate) (50 mg), Zinc (as Zinc bisglycinate chelate) (20 mg), L-Tryptophan (1,250 mg), Rhodiola Rosea (root) extract(Standardized to 3% total rosavins, min 1% salidrosides) (400 mg). Notable high-dose ingredients include Niacin at 938% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Natural Stacks Serotonin Brain Food™, 60 Vegan Capsules safe to take?

Natural Stacks Serotonin Brain Food™, 60 Vegan Capsules has been analyzed for ingredient safety across all its components. All 5 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Natural Stacks a trustworthy supplement brand?

Natural Stacks receives a brand trust score of 79/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2013 and headquartered in Seattle, WA, United States, the company offers 34 products in their lineup. They hold 2 verified certifications including Fda Gmp Inspections, NSF Certified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Natural Stacks has 1 historical regulatory incident on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records — read our methodology. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.