Zzzquil Vicks ZzzQuil Nighttime Sleep Aid Liquid, Calming Vanilla Cherry, 354ML supplement bottle
Zzzquil

Vicks ZzzQuil Nighttime Sleep Aid Liquid, Calming Vanilla Cherry, 354ML

What We Researched
1 active ingredient analyzed · 15 inactive ingredients decoded · 1 retailer compared · Last updated: Mar 2026
53
Product Score Poor

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Diphenhydramine hydrochloride 50 mg 50 mg —
Bioavailability Excellent

Absorption Rating

  • Diphenhydramine hydrochloride 50 mg Good
Other Ingredients Poor

Fillers & Additives

  • FD&C Blue No. 1 High
  • FD&C Red No. 40 Low
  • Flavor
  • Glycerin
  • Polysorbate 20 Medium
  • Saccharin sodium
  • Sodium Benzoate Medium
  • Sodium Citrate
  • Sorbitol
  • Sucralose
  • Water
  • Xanthan gum / alcohol
  • Citric Acid
  • Brilliant blue FCF
  • Rouge allura
Efficacy Very Poor

Dosage Analysis

  • Diphenhydramine hydrochloride 50 mg 50 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Diphenhydramine hydrochloride 50 mg 50 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

FD&C Blue No. 1 Generally_safe

It is used to add color to the supplement.

FD&C Red No. 40 Caution

It is used as a red colorant.

Flavor Generally_safe

It is used to improve the palatability of the supplement.

Glycerin Safe

Retains moisture and helps dissolve ingredients in softgels and liquids.

Polysorbate 20 Generally_safe

It is used as an emulsifier to help mix oil and water-based ingredients.

Saccharin sodium Unknown
Sodium Benzoate Caution

Prevents bacterial and fungal growth in liquid supplements.

Sodium Citrate Safe

Stabilizes pH and helps maintain ingredient effectiveness.

Sorbitol Safe

Provides sweetness and helps retain moisture in chewables.

Sucralose Generally_safe

Adds sweetness to chewables, gummies, and powdered supplements without calories.

Water Safe

Dissolves and carries water-soluble ingredients.

Xanthan gum / alcohol Unknown
Citric Acid Safe

Adds tartness and acts as a natural preservative. Also aids in ingredient stability.

Brilliant blue FCF Unknown
Rouge allura Unknown

Price Comparison

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

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Frequently Asked Questions
Is Zzzquil Vicks ZzzQuil Nighttime Sleep Aid Liquid, Calming Vanilla Cherry a good supplement?

Zzzquil Vicks ZzzQuil Nighttime Sleep Aid Liquid, Calming Vanilla Cherry, 354ML received a product quality score of 53/100 in GoodSupp's independent analysis, indicating several areas of concern that consumers should review. The product contains 1 active ingredients Of the 15 inactive ingredients, 5 are rated safe and 2 are flagged for review.

What are the ingredients in Zzzquil Vicks ZzzQuil Nighttime Sleep Aid Liquid, Calming Vanilla Cherry?

Zzzquil Vicks ZzzQuil Nighttime Sleep Aid Liquid, Calming Vanilla Cherry contains 1 active ingredients: Diphenhydramine hydrochloride 50 mg (50 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Zzzquil Vicks ZzzQuil Nighttime Sleep Aid Liquid, Calming Vanilla Cherry safe to take?

Zzzquil Vicks ZzzQuil Nighttime Sleep Aid Liquid, Calming Vanilla Cherry, 354ML has been analyzed for ingredient safety across all its components. Of 15 inactive ingredients, 5 are rated safe. 2 ingredients are flagged for review: FD&C Red No. 40, Sodium Benzoate. 'Caution' doesn't mean dangerous — it indicates the ingredient has some considerations worth being aware of, such as potential sensitivities or ongoing research. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

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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.