Natural Factors Natural Factors Serenity Formula® with Ashwagandha 125 mg Sensoril™ ashwagandha extract 120 Vegetarian Capsules supplement bottle
Natural Factors

Natural Factors Serenity Formula® with Ashwagandha 125 mg Sensoril™ ashwagandha extract 120 Vegetarian Capsules

What We Researched
10 active ingredients analyzed · 3 inactive ingredients decoded · 5 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
74
Product Score Fair
88
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
SensorilTM ashwagandha extract (Withania somnifera) (root and leaf) 125 mg
Withanolides (8%) 10 mg
Withaferin A (< 2%) < 2.5 mg
Withania oligosaccharides (32%) 40 mg
Siberian ginseng extract (Eleutherococcus senticosus) (root) 75 mg
Eleutherosides (0.8%) 0.6 mg
Lavender extract 5:1 (Lavandula angustifolia) (aerial) 75 mg
Rhodiola extract (Rhodiola rosea) (root) 37.5 mg
Rosavins (3.5%) 1.31 mg
Salidroside (1%) 0.38 mg
Bioavailability Very Good

Absorption Rating

  • SensorilTM ashwagandha extract (Withania somnifera) (root and leaf) Good
  • Withanolides (8%) Good
  • Withaferin A (< 2%) Good
  • Withania oligosaccharides (32%) Fair
  • Siberian ginseng extract (Eleutherococcus senticosus) (root) Fair
  • Eleutherosides (0.8%) Good
  • Lavender extract 5:1 (Lavandula angustifolia) (aerial) Fair
  • Rhodiola extract (Rhodiola rosea) (root) Good
  • Rosavins (3.5%) Fair
Other Ingredients Excellent

Fillers & Additives

  • Vegetarian Capsule (Carbohydrate Gum [Cellulose], Purified Water)
  • Rice Powder
  • Vegetable grade magnesium stearate (lubricant)
Efficacy Very Poor

Dosage Analysis

  • SensorilTM ashwagandha extract (Withania somnifera) (root and leaf) 125 mg Under-dosed
  • Withanolides (8%) 10 mg Effective
  • Withaferin A (< 2%) < 2.5 mg Under-dosed
  • Withania oligosaccharides (32%) 40 mg High
  • Siberian ginseng extract (Eleutherococcus senticosus) (root) 75 mg Under-dosed
  • Eleutherosides (0.8%) 0.6 mg Under-dosed
  • Lavender extract 5:1 (Lavandula angustifolia) (aerial) 75 mg Under-dosed
  • Rhodiola extract (Rhodiola rosea) (root) 37.5 mg Under-dosed
  • Rosavins (3.5%) 1.31 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
SensorilTM ashwagandha extract (Withania somnifera) (root and leaf) 125 mg
Withanolides (8%) 10 mg
Withaferin A (< 2%) < 2.5 mg
Withania oligosaccharides (32%) 40 mg
Siberian ginseng extract (Eleutherococcus senticosus) (root) 75 mg
Eleutherosides (0.8%) 0.6 mg
Lavender extract 5:1 (Lavandula angustifolia) (aerial) 75 mg
Rhodiola extract (Rhodiola rosea) (root) 37.5 mg
Rosavins (3.5%) 1.31 mg
Salidroside (1%) 0.38 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Vegetarian Capsule (Carbohydrate Gum [Cellulose], Purified Water) Safe

It provides a vegetarian encapsulation option.

Rice Powder Safe

It is used as a filler or flow agent.

Vegetable grade magnesium stearate (lubricant) Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$31$30$29$28$27 Mar 12 $29.49
Amazon_Ca

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

Brand Trust Report
Natural Factors

Founded 1950 · Coquitlam, British Columbia, Canada · 390 products · naturalfactors.com

Certifications

5 certifications
B Corp Certified Verified Source
Usp Verified Verified Source
Fda Gmp Inspections Verified Source
Non Gmo Project Verified Source
Usda Organic Verified Source

Transparency

4 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Verified Source
In House Testing — Verified Source

Violation History

5 incidents
Prop 65 Lead2025-10-31Source
Recall Hi Potency B Complex, RevitalX, Super Multi® IRON FREE2024-07-19Source
Lawsuit Products labeled as containing glucosamine sulfate did not contain the ingredient.2021Source
Prop 65 Lead2016-01-13Source
Recall Natural Factors L-Arginine 500mg2006-04-05Source
Related Supplements
Frequently Asked Questions
Is Natural Factors Natural Factors Serenity Formula® with Ashwagandha 125 mg Sensoril™ ashwagandha extract 120 Vegetarian Capsules a good supplement?

Natural Factors Natural Factors Serenity Formula® with Ashwagandha 125 mg Sensoril™ ashwagandha extract 120 Vegetarian Capsules received a product quality score of 74/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 10 active ingredients Of the 3 inactive ingredients, 2 are rated safe and 0 are flagged for review. The manufacturer, Natural Factors, holds a brand trust score of 88/100 with 5 verified certifications including B Corp Certified, Usp Verified, Fda Gmp Inspections, Non Gmo Project.

What are the ingredients in Natural Factors Natural Factors Serenity Formula® with Ashwagandha 125 mg Sensoril™ ashwagandha extract 120 Vegetarian Capsules?

Natural Factors Natural Factors Serenity Formula® with Ashwagandha 125 mg Sensoril™ ashwagandha extract 120 Vegetarian Capsules contains 10 active ingredients: SensorilTM ashwagandha extract (Withania somnifera) (root and leaf) (125 mg), Withanolides (8%) (10 mg), Withaferin A (< 2%) (< 2.5 mg), Withania oligosaccharides (32%) (40 mg), Siberian ginseng extract (Eleutherococcus senticosus) (root) (75 mg), Eleutherosides (0.8%) (0.6 mg), and 4 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Natural Factors Natural Factors Serenity Formula® with Ashwagandha 125 mg Sensoril™ ashwagandha extract 120 Vegetarian Capsules safe to take?

Natural Factors Natural Factors Serenity Formula® with Ashwagandha 125 mg Sensoril™ ashwagandha extract 120 Vegetarian 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 Natural Factors a trustworthy supplement brand?

Natural Factors receives a brand trust score of 88/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1950 and headquartered in Coquitlam, British Columbia, Canada, the company offers 390 products in their lineup. They hold 5 verified certifications including B Corp Certified, Usp Verified, Fda Gmp Inspections, Non Gmo Project. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Natural Factors has 5 historical regulatory incidents 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. 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.