BioStacks
DaVinci Laboratories

Vira-Shield

2 Tablets · 60 servings · $0.72/serving

iHerbAmazon

Ingredients (8)

Olive Leaf Extract

100%

Dose

200 mg

Target

150–500 mg

Form

—

Black Cumin Seed

100%

Dose

200 mg

Target

200–2000 mg

Form

—

Oleuropein

100%

Dose

30 mg

Target

5–50 mg

Form

—

Grapefruit Seed Extract

100%

Dose

200 mg

Target

100–500 mg

Form

—

Black Walnut Green Hull

100%

Dose

400 mg

Target

250–1000 mg

Form

—

Other Ingredients (6)

ShellacCoating

Natural resin secreted by the lac bug, used as a coating and glazing agent for tablets and pills

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Vegetable StearateLubricant

A plant-derived salt of stearic acid (typically magnesium or calcium) used as a tablet lubricant

Croscarmellose SodiumDisintegrant

Cross-linked cellulose derivative used as a superdisintegrant

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

Stearic AcidLubricant

Saturated fatty acid used as tablet lubricant

Track this supplement in your stack

Get personalized insights, interactions, and coverage recommendations.

Get Started Free

Similar Supplements

Products that cover similar health dimensions based on their ingredients.

Para-Clean

Priority One Nutritional Supplements

Para-Clean

43
Olivir 15

DaVinci Laboratories

Olivir 15

65
Olive Leaf Extract 750 mg

Sunergetic

Olive Leaf Extract 750 mg

65
Olive Leaf

Gaia Herbs

Olive Leaf

65
Olive Leaf 1360 PRO

Gaia Herbs

Olive Leaf 1360 PRO

65

Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.

BioStacks

Know exactly what's in your supplements.

Navigate

  • Home
  • App Store
  • Google Play

Resources

  • Terms of Service
  • Privacy Policy

Explore

  • Health Areas
  • Best Supplements
  • Nutrients
  • All Supplements

Popular Picks

  • Best Magnesium for Sleep
  • Best Collagen for Skin
  • Best Creatine for Muscle
  • Best Vitamin D for Bone Health
  • Best Probiotics for Digestion
  • Best CoQ10 for Heart
© 2026 BioStacks. All rights reserved. Not medical advice.