NOW Stress Plus With Valerian Root supplement bottle
NOW

Stress Plus With Valerian Root

What We Researched
14 active ingredients analyzed · 4 inactive ingredients decoded · 5 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
82
Product Score Good
89
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (as Ascorbic Acid) 500 mg 830%
Thiamine (as Thiamine Hydrochloride, Vitamin B1) 30 mg 2000%
Riboflavin (as Vitamin B2) 30 mg 1770%
Niacin (as Niacinamide) 150 mg 750%
Vitamin B6 (as Pyridoxine Hydrochloride) 30 mg 1500%
Folic Acid 400 mcg 100%
Vitamin B12 (as Cyanocobalamin) 50 mcg 830%
Biotin 300 mcg 100%
Pantothenic Acid (as D-Calcium Pantothenate) 150 mg 1500%
Magnesium (as Magnesium Oxide) 100 mg 25%
PABA 40 mg
Choline (as Choline Bitartrate) 150 mg
Inositol 150 mg
Valerian 200 mg
Bioavailability Good

Absorption Rating

  • Vitamin C (as Ascorbic Acid) Fair
  • Thiamine (as Thiamine Hydrochloride, Vitamin B1) Fair
  • Riboflavin (as Vitamin B2) Good
  • Niacin (as Niacinamide) Good
  • Vitamin B6 (as Pyridoxine Hydrochloride) Fair
  • Folic Acid Fair
  • Vitamin B12 (as Cyanocobalamin) Fair
  • Biotin Good
  • Pantothenic Acid (as D-Calcium Pantothenate) Good
  • Magnesium (as Magnesium Oxide) Poor
  • PABA Good
  • Choline (as Choline Bitartrate) Poor
  • Inositol Good
  • Valerian Good
Other Ingredients Excellent

Fillers & Additives

  • Dicalcium Phosphate
  • Stearic Acid
  • Magnesium Stearate
  • Cellulose
Efficacy Good

Dosage Analysis

  • Vitamin C (as Ascorbic Acid) 500 mg Effective
  • Thiamine (as Thiamine Hydrochloride, Vitamin B1) 30 mg Effective
  • Riboflavin (as Vitamin B2) 30 mg Effective
  • Niacin (as Niacinamide) 150 mg High
  • Vitamin B6 (as Pyridoxine Hydrochloride) 30 mg Effective
  • Folic Acid 400 mcg Effective
  • Vitamin B12 (as Cyanocobalamin) 50 mcg Effective
  • Biotin 300 mcg Effective
  • Pantothenic Acid (as D-Calcium Pantothenate) 150 mg Effective
  • Magnesium (as Magnesium Oxide) 100 mg Under-dosed
  • PABA 40 mg Under-dosed
  • Choline (as Choline Bitartrate) 150 mg Under-dosed
  • Inositol 150 mg Under-dosed
  • Valerian 200 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C (as Ascorbic Acid) 500 mg 830%
Thiamine (as Thiamine Hydrochloride, Vitamin B1) 30 mg 2000%
Riboflavin (as Vitamin B2) 30 mg 1770%
Niacin (as Niacinamide) 150 mg 750%
Vitamin B6 (as Pyridoxine Hydrochloride) 30 mg 1500%
Folic Acid 400 mcg 100%
Vitamin B12 (as Cyanocobalamin) 50 mcg 830%
Biotin 300 mcg 100%
Pantothenic Acid (as D-Calcium Pantothenate) 150 mg 1500%
Magnesium (as Magnesium Oxide) 100 mg 25%
PABA 40 mg
Choline (as Choline Bitartrate) 150 mg
Inositol 150 mg
Valerian 200 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Dicalcium Phosphate Safe

Serves as both a filler and a supplemental source of calcium and phosphorus.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Price Comparison

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

Brand Trust Report
NOW

Founded 1968 · Bloomingdale, Illinois, USA · 53 products · nowfoods.com

Certifications

5 certifications
Informed Sport Verified Source
Npa Gmp Verified Source
Fda Gmp Inspections Verified Source
Non Gmo Project Verified Source
Usda Organic Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Claimed
In House Testing — Verified Source
Related Supplements
Frequently Asked Questions
Is NOW Stress Plus With Valerian Root a good supplement?

NOW Stress Plus With Valerian Root received a product quality score of 82/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 14 active ingredients All 4 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, NOW, holds a brand trust score of 89/100 with 5 verified certifications including Informed Sport, Npa Gmp, Fda Gmp Inspections, Non Gmo Project.

What are the ingredients in NOW Stress Plus With Valerian Root?

NOW Stress Plus With Valerian Root contains 14 active ingredients: Vitamin C (as Ascorbic Acid) (500 mg), Thiamine (as Thiamine Hydrochloride, Vitamin B1) (30 mg), Riboflavin (as Vitamin B2) (30 mg), Niacin (as Niacinamide) (150 mg), Vitamin B6 (as Pyridoxine Hydrochloride) (30 mg), Folic Acid (400 mcg), and 8 more. Notable high-dose ingredients include Vitamin C at 830% DV, Thiamine at 2000% DV, Riboflavin at 1770% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NOW Stress Plus With Valerian Root safe to take?

NOW Stress Plus With Valerian Root has been analyzed for ingredient safety across all its components. All 4 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 NOW a trustworthy supplement brand?

NOW receives a brand trust score of 89/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1968 and headquartered in Bloomingdale, Illinois, USA, the company offers 53 products in their lineup. They hold 5 verified certifications including Informed Sport, Npa Gmp, Fda Gmp Inspections, Non Gmo Project. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.

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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.