ViraThera CF

by Klaire Labs · capsule · 60 capsules

  • Off the market since February 2025 (NIH)
  • UPC 8 28054 00610 2
  • DSLD label 322473
  • Serving 1 capsule
  • 60 servings

ViraThera CF by Klaire Labs lists 7 ingredients, 5 with an amount per serving of 1 capsule, such as 125 mg of astragalus root extract, 50 mg of black elderberry flower, fruit extract, 75 mg of goldenseal root extract and 100 mg of licorice root extract; 2 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on December 21, 2024.

What is in ViraThera CF?

Each row as the label prints it, per serving of 1 capsule. 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).

ViraThera CF: Supplement Facts rows against the market (DSLD label 322473, January 2026 release)
IngredientAmount% DVAmong products listing it
Astragalus Root Extractas Astragalus membranaceus Root Extractstandardized to 0.4% isoflavones125 mgAstragalus in ViraThera CF against 604 products125 mg per serving; the middle half of products list 50 mg to 405 mg, the median 132.5 mg.125 mg

50% of 604 products listing astragalus give more (median 132.5 mg). Per day at the most servings: 500 mg.

Echinacea Extract Blend125 mg
Echinacea angustifolia Root Extractas Polyphenolsstandardized to 4% polyphenolsin the blend, no amount given
Echinacea purpurea Flower, Leaf, Stem Extractas Echinacea purpurea Flower Extract, Echinacea purpurea Leaf Extract, Echinacea purpurea Stem Extractstandardized to 1% chicoric acidin the blend, no amount given
Black Elderberry Flower, Fruit Extractas Sambucus nigra Flower Extract, Sambucus nigra Fruit Extractstandardized to 5% polyphenols50 mgEuropean Elder in ViraThera CF against 920 products50 mg per serving; the middle half of products list 50 mg to 400 mg, the median 150 mg.50 mg

73% of 920 products listing european elder give more (median 150 mg). Per day at the most servings: 200 mg.

Goldenseal Root Extractas Alkaloidsstandardized to 5% alkaloids as berberine75 mgGoldenseal in ViraThera CF against 308 products75 mg per serving; the middle half of products list 40 mg to 385 mg, the median 100 mg.75 mg

58% of 308 products listing goldenseal give more (median 100 mg). Per day at the most servings: 300 mg.

Licorice Root Extractas Glycyrrhizinstandardized to 26% glycyrrhizin100 mgLicorice in ViraThera CF against 888 products100 mg per serving; the middle half of products list 42 mg to 300 mg, the median 100 mg.100 mg

42% of 888 products listing licorice give more (median 100 mg). Per day at the most servings: 400 mg.

Olive Leaf Extractas Oleuropeinstandardized to 15% oleuropein125 mgOlive in ViraThera CF against 822 products125 mg per serving; the middle half of products list 30 mg to 300 mg, the median 100 mg.125 mg

Higher than 54% of 822 products listing olive (median 100 mg). Per day at the most servings: 500 mg.

Source: NIH ODS Dietary Supplement Label Database, label 322473 (entered December 21, 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; 2 ingredients sit inside a blend, so their amounts cannot be compared.

The NIH database records 1 to 4 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 ViraThera CF's, rare ingredients counting for more.

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: 1 capsule, 1 to 4 times daily or as directed by a healthcare professional.
Warnings
Caution: If you are pregnant, nursing, have a medical condition (including high blood pressure or cardiovascular disease), or taking prescription drugs, consult your physician before using this product.
Keep out of reach of children.
Do not use if shrinkwrap is broken or missing.
Allergens and what it does not contain
Free of the following common allergens: Milk/casein, eggs, fish, shellfish, tree nuts, peanuts, wheat, and soybeans. Contains no artificial colors, flavors, or preservatives.
Storage
Store in a cool, dry place (59 degrees F - 85 degrees F) away from direct light.

Source: label statements in DSLD label 322473.

What else is on the label?

Other ingredients: Hydroxypropyl Methylcellulose, Water, Microcrystalline Cellulose, Silicon Dioxide, L-Leucine.

How many labels does ViraThera CF have?

2 labels are on file under this name since June 16, 2022: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 322473 (current) Entered December 21, 2024 · off the market February 18, 2025 · 60 capsules · UPC 8 28054 00610 2
  2. Label 265006 Entered June 16, 2022 · off the market March 2, 2023 · 60 capsules · UPC 8 28054 00610 2

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names SFI USA (manufacturer), Reno, NV. All Klaire Labs products.

Where next?