Swanson Sleep Essentials
vs
Douglas Laboratories Super HCA
Supplement Comparison

  • Calcium: Douglas Laboratories Super HCA has 2.5× more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 15 nutrients compared
Bar chart: per-serving label amounts and listed forms for Swanson Sleep Essentials vs Douglas Laboratories Super HCA.

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Frequently asked questions

Which active ingredients does Swanson Sleep Essentials have?

  • Calcium appears as Calcium Carbonate
  • Magnesium appears as Magnesium Oxide
  • Melatonin
  • GABA
  • Taurine
  • Valerian Root (Valeriana officinalis)
  • Chamomile (Matricaria recutita) Flower
  • Hops (Humulus lupulus)
  • Skullcap (Scutellaria lateriflora) Extract
  • Passionflower (Passiflora incarnata)

Which active ingredients does Douglas Laboratories Super HCA have?

  • Calcium
  • Potassium
  • Garcinia Cambogia Extract appears as Super CitriMax (standardized to 60% hydroxycitric acid HCA)

Which categories do Swanson Sleep Essentials and Douglas Laboratories Super HCA belong to?

  • Sleep Formula
  • Herbal Extract

What health concerns do Swanson Sleep Essentials and Douglas Laboratories Super HCA address?

  • Sleep Quality
  • Weight Management

Which product has a higher amount of Calcium per serving?

  • Douglas Laboratories Super HCA has the highest total amount of Calcium: 100 mg per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Swanson Sleep Essentials: 1 capsule
    • Douglas Laboratories Super HCA: 1 tablet
  • Calcium
    • This supplement has 40 mg
    • Recommended Dietary Allowance in men: 1000 mg
    • Recommended Dietary Allowance in women: 1000 mg
    • Tolerable Upper Intake Level: 2500 mg
  • Calcium
    • This supplement has 100 mg
    • Recommended Dietary Allowance in men: 1000 mg
    • Recommended Dietary Allowance in women: 1000 mg
    • Tolerable Upper Intake Level: 2500 mg
  • Potassium
    • This supplement has 160 mg
    • Adequate Intake in men: 3400 mg
    • Adequate Intake in women: 2600 mg
    • Tolerable Upper Intake Level: Not established

Last updated: February 5, 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