Jarrow Energy Optimizer
vs
Metagenics Chasteberry Plus
Supplement Comparison

  • Ashwagandha: Jarrow Energy Optimizer has 4.2× more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 8 nutrients compared
Bar chart: per-serving label amounts and listed forms for Jarrow Energy Optimizer vs Metagenics Chasteberry Plus.

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Frequently asked questions

Which active ingredients does Jarrow Energy Optimizer have?

  • Ashwagandha appears as Sensoril
  • Blend appears as PeakO2 Mushroom Blend (Cordyceps militaris, Ganoderma lucidum, Pleurotus eryngii, Lentinula edodes, Hericium erinaceus, Trametes versicolor)

Which active ingredients does Metagenics Chasteberry Plus have?

  • Ashwagandha appears as Ashwagandha (Withania somnifera) Root 15:1 Extract containing withanolides
  • Chaste Tree (Vitex agnus-castus) Extract appears as Chasteberry (Vitex agnus-castus) 10:1 Fruit Extract
  • Black Cohosh Extract appears as Black Cohosh (Actaea racemosa) Root & Rhizome Extract standardized to 2.5% total triterpene glycosides

Which categories do Jarrow Energy Optimizer and Metagenics Chasteberry Plus belong to?

  • Mushroom Extract
  • Hormone Support Formula

What health concerns do Jarrow Energy Optimizer and Metagenics Chasteberry Plus address?

  • Athletic Performance
  • Energy & Metabolism
  • Stress Management
  • Women's Health

Which product has a higher amount of Ashwagandha per serving?

  • Jarrow Energy Optimizer has the highest total amount of Ashwagandha: 250 mg per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Jarrow Energy Optimizer: 3 capsules
    • Metagenics Chasteberry Plus: 1 tablet

Last updated: February 21, 2026

  • Sources & Methodology: Nutrient data and forms are taken directly from Supplement Facts labels. Reviewed and standardized by the VIOscan Research Team. Learn more on the Methodology page.
  • We show the Recommended Dietary Allowance (RDA) when available. If no RDA exists, we show the Adequate Intake (AI). Tolerable Upper Intake Levels (UL) are used for upper limits. Unless otherwise noted, RDAs shown correspond to healthy adults aged 19–50 years and are sex-specific. Separate values exist for 51–70 years and >70 years, and pregnancy and lactation are excluded. All values come from the Dietary Reference Intakes (DRIs) published by the National Academies of Sciences, Engineering, and Medicine (NASEM), Food and Nutrition Board (FNB).
  • Transparency: We’re funded by our users. We don’t have sponsors or affiliate links, and we don’t sell supplements.
  • Editorial standards: we provide independent, impartial and objective data analysis.
  • This analysis is for educational purposes only. It is not a substitute for medical advice.
  • Questions? Read our Frequently Asked Questions or contact us, we’re here to help.
  • See an error? Report it through our Contact page.
  • Author: VIOscan Research Team