Klean Athlete Klean Probiotic
vs
Douglas Laboratories Methylated Resveratrol Plus
Supplement Comparison

  • Blend: Klean Athlete Klean Probiotic has 40% more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 20 nutrients compared
Bar chart: per-serving label amounts and listed forms for Klean Athlete Klean Probiotic vs Douglas Laboratories Methylated Resveratrol Plus.

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Frequently asked questions

Which active ingredients does Klean Athlete Klean Probiotic have?

  • Lactobacillus acidophilus
  • Bifidobacterium lactis
  • Lactobacillus rhamnosus
  • Lactobacillus gasseri
  • Bifidobacterium longum
  • Bifidobacterium bifidum
  • Lactococcus lactis
  • Streptococcus thermophilus
  • Probiotic appears as Multi-Strain Probiotic Blend for Klean (La-14, Lr-32, HN019, Ll-23, Bl-05, Bb-02, Lg-36, St-21)
  • Blend appears as Digestive and Prebiotic Blend (FOS and Slippery Elm)

Which active ingredients does Douglas Laboratories Methylated Resveratrol Plus have?

  • Vitamin D appears as Cholecalciferol (D3)
  • Resveratrol appears as resVida Resveratrol (trans-resveratrol)
  • Turmeric appears as Meriva Curcumin Phytosome
  • Pterostilbene appears as pTeroPure Pterostilbene (methylated resveratrol)
  • Blend appears as Cruciferous Vegetable and Fruit Blend (Wasabia japonica, Broccoli Sprout Powder, Pomegranate Powder)

Which categories do Klean Athlete Klean Probiotic and Douglas Laboratories Methylated Resveratrol Plus belong to?

  • Probiotic
  • Antioxidant Complex

What health concerns do Klean Athlete Klean Probiotic and Douglas Laboratories Methylated Resveratrol Plus address?

  • Gut & Microbiome Health
  • Digestive Support
  • Immune System Support
  • Antioxidant Support
  • Metabolic Support
  • Healthy Aging & Longevity

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Klean Athlete Klean Probiotic: 1 capsule
    • Douglas Laboratories Methylated Resveratrol Plus: 1 capsule
  • Vitamin D
    • This supplement has 1000 IU
    • Recommended Dietary Allowance in men: 600 IU
    • Recommended Dietary Allowance in women: 600 IU
    • Tolerable Upper Intake Level: 4000 IU

Last updated: February 9, 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