Vira-Shield
by DaVinci Laboratories Of Vermont · tablet or pill · 120 tablets
- On the market (NIH)
- UPC 0 26664 27381 9
- DSLD label 304058
- Serving 2 tablets
- 60 servings
Vira-Shield by DaVinci Laboratories Of Vermont lists 8 ingredients, 8 with an amount per serving of 2 tablets, such as 400 mg of black walnut, 200 mg of wormwood, powder, 200 mg of grapefruit seed extract and 200 mg of olive leaf extract. Its current label entered the NIH Dietary Supplement Label Database on January 24, 2024.
What is in Vira-Shield?
Each row as the label prints it, per serving of 2 tablets. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Black WalnutGreen hull | 400 mg | Higher than 69% of 166 products listing black walnut (median 150 mg). Per day at the most servings: 800 mg. | |
| Wormwood, Powderas Artemesia annua, Powder, Artemesia annua, Powder | 200 mg | Higher than 66% of 79 products listing wormwood (median 50 mg). Per day at the most servings: 400 mg. | |
| Grapefruit Seed Extract | 200 mg | Higher than 66% of 220 products listing grapefruit (median 100 mg). Per day at the most servings: 400 mg. | |
| Olive leaf extract | 200 mg | Higher than 61% of 822 products listing olive (median 100 mg). Per day at the most servings: 400 mg. | |
| Oleuropein | 30 mg | 66% of 67 products listing oleuropein give more (median 60 mg). Per day at the most servings: 60 mg. | |
| Pau D'Arco, Powder | 200 mg | 50% of 149 products listing pau d'Arco give more (median 210 mg). Per day at the most servings: 400 mg. | |
| Black Cumin | 200 mg | 54% of 72 products listing black seed give more (median 325 mg). Per day at the most servings: 400 mg. | |
| Garlic Bulb ExtractOdorless | 200 mg | 45% of 1,075 products listing garlic give more (median 200 mg). Per day at the most servings: 400 mg. |
Source: NIH ODS Dietary Supplement Label Database, label 304058 (entered January 24, 2024), version 9.4.0. See the label on DSLD or its label image (PDF). Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.
Is that a lot?
Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.
The NIH database records 2 servings a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.
The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.
Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.
Which products have the closest formulas?
The products whose ingredient lists overlap most with Vira-Shield's, rare ingredients counting for more.
- Para-ShieldDaVinci Laboratories Of Vermont · off the market 7 shared, 75% alike
- ParadexProgressive Professional from Progressive Laboratories 4 shared, 43% alike
- ParaEndAerobic Life · off the market 5 shared, 36% alike
Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.
What does the label say about taking it?
Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.
- Directions
- Suggested use: As a dietary supplement, take 2 tablets in AM on an empty stomach and 2 tablets in PM on an empty stomach. Take recommended amount for 1-3 months, or as directed by your healthcare practitioner.
- Warnings
- Warning: Do not take this product if pregnant or nursing.
- Caution: If you have allergies to ragweed, chrysanthemums, marigolds or daisies, or if you are taking blood thinning medications, do not take this product without first consulting your healthcare practitioner.
- Keep out of reach of children.
- Contains: Tree nuts (black walnut).
- To obtain product information or report a serious adverse event, call 1-800-325-1776. Not labeled for sale in California
- Allergens and what it does not contain
- Gluten free
- Storage
- Store in a cool, dry place.
Source: label statements in DSLD label 304058.
What else is on the label?
Other ingredients: Microcrystalline Cellulose, Stearic Acid, Croscarmellose Sodium, Stearate, Silicon Dioxide, Pharmaceutical Glaze.
How many labels does Vira-Shield have?
2 labels are on file under this name since June 22, 2023: other sizes, label designs and reformulations. The current one leads this page.
- Label 304058 (current) Entered January 24, 2024 · on the market · 120 tablets · UPC 0 26664 27381 9
- Label 288331 Entered June 22, 2023 · off the market October 1, 2022 · 120 tablets · UPC 0 26664 27381 9
DSLD also links this label to: Para-Shield (image difference, same product).
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names DaVinci Laboratories a division of FoodScience LLC (distributor), Williston, VT. All DaVinci Laboratories Of Vermont products.