Source Naturals Vitamin K2 Advantage
vs
Klean Athlete Klean Essential Aminos +HMB
Supplement Comparison

  • Calcium: Klean Athlete Klean Essential Aminos +HMB has 3.3× more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 13 nutrients compared
Bar chart: per-serving label amounts and listed forms for Source Naturals Vitamin K2 Advantage vs Klean Athlete Klean Essential Aminos +HMB.

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Frequently asked questions

Which active ingredients does Source Naturals Vitamin K2 Advantage have?

  • Vitamin K appears as Vitamin K1 Phytonadione
  • Vitamin K appears as Vitamin K2 Menaquinone-4 (MK-4)
  • Vitamin K appears as NattoMK-7 Vitamin K2 Menaquinone-7
  • Calcium appears as Calcium and dibasic calcium phosphate

Which active ingredients does Klean Athlete Klean Essential Aminos +HMB have?

  • Vitamin D appears as Cholecalciferol (D3)
  • Calcium appears as Calcium from myHMB® Calcium (HMB-Ca Monohydrate)
  • L-Glutamine
  • β-Hydroxy-β-Methylbutyrate (HMB) appears as myHMB® Calcium (HMB-Ca Monohydrate)
  • Blend appears as Amino9 Amino Blend (L-Leucine, L-Lysine, L-Threonine, L-Isoleucine, L-Valine, L-Phenylalanine, L-Methionine, L-Histidine, L-Tryptophan)

Which categories do Source Naturals Vitamin K2 Advantage and Klean Athlete Klean Essential Aminos +HMB belong to?

  • Single Mineral
  • Single Vitamin
  • Protein and Branched-chain Amino Acids
  • Sports Formula

What health concerns do Source Naturals Vitamin K2 Advantage and Klean Athlete Klean Essential Aminos +HMB address?

  • Heart & Cardiovascular Health
  • Joint & Bone Health
  • Athletic Performance
  • Muscle Support
  • Recovery & Repair

Which product has a higher amount of Calcium per serving?

  • Klean Athlete Klean Essential Aminos +HMB has the highest total amount of Calcium: 210 mg per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Source Naturals Vitamin K2 Advantage: 1 tablet
    • Klean Athlete Klean Essential Aminos +HMB: 1 scoop
  • Vitamin K
    • This supplement has 2200 mcg
    • Adequate Intake in men: 120 mcg
    • Adequate Intake in women: 90 mcg
    • Tolerable Upper Intake Level: Not established
  • Calcium
    • This supplement has 63 mg
    • Recommended Dietary Allowance in men: 1000 mg
    • Recommended Dietary Allowance in women: 1000 mg
    • Tolerable Upper Intake Level: 2500 mg
  • Vitamin D
    • This supplement has 500 IU
    • Recommended Dietary Allowance in men: 600 IU
    • Recommended Dietary Allowance in women: 600 IU
    • Tolerable Upper Intake Level: 4000 IU
  • Calcium
    • This supplement has 210 mg
    • Recommended Dietary Allowance in men: 1000 mg
    • Recommended Dietary Allowance in women: 1000 mg
    • Tolerable Upper Intake Level: 2500 mg

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.
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  • See an error? Report it through our Contact page.
  • Author: VIOscan Research Team