Premier Research Labs Premier Tranquinol - Neurotransmitter Balance for Healthy Mood & Restful Sleep, 90 Plant-Source Capsules supplement bottle
Premier Research Labs

Premier Tranquinol - Neurotransmitter Balance for Healthy Mood & Restful Sleep, 90 Plant-Source Capsules

What We Researched
10 active ingredients analyzed · 3 inactive ingredients decoded · 2 retailers compared · Last updated: Mar 2026
76
Product Score Fair
62
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Magnesium (as magnesium malate) 50 mg 12%
Magnesium Malate 500 mg *
Organic Turmeric (rhizome) (Curcuma longa) 116 mg *
Suntheanine® (L-Theanine) 100 mg *
Organic Lemon Balm (Leaf) (Melissa officinalis) 54 mg *
Organic Passionflower(aerial parts) (Passiflora incarnata) 54 mg *
Organic Lavender(Flower) (Lavandula spp.) 54 mg *
Valerian (Root) Extract (Valeriana officinalis) 50 mg *
Organic Affron®: Saffron(Crocus Sativus) stigmas extract [Std. to 3.5% Lepticrosalides®] 28 mg *
Organic Magnolia (Bark) Extract(Magnolia officinalis) (Standardized to contain 80% honokiol and magnolol) 12 mg *
Bioavailability Very Good

Absorption Rating

  • Magnesium (as magnesium malate) Good
  • Magnesium Malate Good
  • Organic Turmeric (rhizome) (Curcuma longa) Poor
  • Suntheanine® (L-Theanine) Good
  • Organic Lemon Balm (Leaf) (Melissa officinalis) Good
  • Organic Passionflower(aerial parts) (Passiflora incarnata) Good
  • Organic Lavender(Flower) (Lavandula spp.) Fair
  • Valerian (Root) Extract (Valeriana officinalis) Good
  • Organic Affron®: Saffron(Crocus Sativus) stigmas extract [Std. to 3.5% Lepticrosalides®] Good
  • Organic Magnolia (Bark) Extract(Magnolia officinalis) (Standardized to contain 80% honokiol and magnolol) Fair
Other Ingredients Excellent

Fillers & Additives

  • Plant-source capsules (cellulose, water)
  • Organic rice bran
  • Organic Rice Concentrate
Efficacy Poor

Dosage Analysis

  • Magnesium (as magnesium malate) 50 mg Under-dosed
  • Magnesium Malate 500 mg High
  • Organic Turmeric (rhizome) (Curcuma longa) 116 mg Under-dosed
  • Suntheanine® (L-Theanine) 100 mg Effective
  • Organic Lemon Balm (Leaf) (Melissa officinalis) 54 mg Under-dosed
  • Organic Passionflower(aerial parts) (Passiflora incarnata) 54 mg Under-dosed
  • Organic Lavender(Flower) (Lavandula spp.) 54 mg Under-dosed
  • Valerian (Root) Extract (Valeriana officinalis) 50 mg Under-dosed
  • Organic Affron®: Saffron(Crocus Sativus) stigmas extract [Std. to 3.5% Lepticrosalides®] 28 mg Effective
  • Organic Magnolia (Bark) Extract(Magnolia officinalis) (Standardized to contain 80% honokiol and magnolol) 12 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Magnesium (as magnesium malate) 50 mg 12%
Magnesium Malate 500 mg *
Organic Turmeric (rhizome) (Curcuma longa) 116 mg *
Suntheanine® (L-Theanine) 100 mg *
Organic Lemon Balm (Leaf) (Melissa officinalis) 54 mg *
Organic Passionflower(aerial parts) (Passiflora incarnata) 54 mg *
Organic Lavender(Flower) (Lavandula spp.) 54 mg *
Valerian (Root) Extract (Valeriana officinalis) 50 mg *
Organic Affron®: Saffron(Crocus Sativus) stigmas extract [Std. to 3.5% Lepticrosalides®] 28 mg *
Organic Magnolia (Bark) Extract(Magnolia officinalis) (Standardized to contain 80% honokiol and magnolol) 12 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Plant-source capsules (cellulose, water) Unknown
Organic rice bran Unknown
Organic Rice Concentrate Generally_safe

It is used as a natural flow agent to prevent clumping and improve powder flow during manufacturing.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$52$51$50$49$48 Mar 12 $50.34
Vitacost

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Premier Research Labs

· Austin, Texas, USA · 29 products · prlabs.com

Transparency

2 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source
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Frequently Asked Questions
Is Premier Research Labs Premier Tranquinol - Neurotransmitter Balance for Healthy Mood & Restful Sleep, 90 Plant-Source Capsules a good supplement?

Premier Research Labs Premier Tranquinol - Neurotransmitter Balance for Healthy Mood & Restful Sleep, 90 Plant-Source Capsules received a product quality score of 76/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 10 active ingredients with 30 servings per container. Of the 3 inactive ingredients, 0 are rated safe and 0 are flagged for review. The manufacturer, Premier Research Labs, holds a brand trust score of 62/100.

What are the ingredients in Premier Research Labs Premier Tranquinol - Neurotransmitter Balance for Healthy Mood & Restful Sleep, 90 Plant-Source Capsules?

Premier Research Labs Premier Tranquinol - Neurotransmitter Balance for Healthy Mood & Restful Sleep, 90 Plant-Source Capsules contains 10 active ingredients: Magnesium (as magnesium malate) (50 mg), Magnesium Malate (500 mg), Organic Turmeric (rhizome) (Curcuma longa) (116 mg), Suntheanine® (L-Theanine) (100 mg), Organic Lemon Balm (Leaf) (Melissa officinalis) (54 mg), Organic Passionflower(aerial parts) (Passiflora incarnata) (54 mg), and 4 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Premier Research Labs Premier Tranquinol - Neurotransmitter Balance for Healthy Mood & Restful Sleep, 90 Plant-Source Capsules safe to take?

Premier Research Labs Premier Tranquinol - Neurotransmitter Balance for Healthy Mood & Restful Sleep, 90 Plant-Source Capsules has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Premier Research Labs a trustworthy supplement brand?

Premier Research Labs receives a brand trust score of 62/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. the company offers 29 products in their lineup.

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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. 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.