Niagra
by Everyday Health · capsule · 60 capsules
- On the market (NIH)
- UPC 9 421904 081260
- DSLD label 306101
- Serving 2 capsules
- 30 servings
Niagra by Everyday Health lists 4 ingredients, 4 with an amount per serving of 2 capsules, such as 400 mg of black ginger extract, 400 mg of L-arginine, 200 mg of oyster meat extract and 6 mg of black pepper extract. Its current label entered the NIH Dietary Supplement Label Database on January 24, 2024.
What is in Niagra?
Each row as the label prints it, per serving of 2 capsules. 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 Ginger Extract | 400 mg | ||
| L-Arginine | 400 mg | 60% of 1,455 products listing arginine give more (median 500 mg). Per day at the most servings: 800 mg. | |
| Oyster meat extract | 200 mg | Higher than 52% of 48 products listing oyster (median 100 mg). Per day at the most servings: 400 mg. | |
| Black Pepper extract | 6 mg | Higher than 68% of 2,363 products listing black pepper (median 5 mg). Per day at the most servings: 12 mg. |
Source: NIH ODS Dietary Supplement Label Database, label 306101 (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 1 to 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 Niagra's, rare ingredients counting for more.
- VitarosInnovus Pharmaceuticals 3 shared, 57% alike
- Turmeric 1320 mgSculptnation 2 shared, 45% alike
- Turmeric BlackSculptnation 2 shared, 45% alike
- Black Ginger Extract 100 mgSwanson Superior Herbs 1 shared, 36% alike
- Male Vascular Sexual SupportLife Extension 1 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
- Directions: Take 2 capsules 2 hours before intimacy.
- Warnings
- Don't exceed more than 4 capsules within 24 hours.
- This product contains oyster, do not take if you are allergic to seafood, or any of the other ingredients.
- Keep out of reach of children.
- Caution: If you suffer from any health problems or on medications consult a physician before using.
- Storage
- Store in a cool dry place.
Source: label statements in DSLD label 306101.
What else is on the label?
Other ingredients: Gelatin, Magnesium Stearate.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): GMP Good Manufacturing Practice Quality Product.
How many labels does Niagra have?
One label is on file, entered on January 24, 2024.
- Label 306101 (current) Entered January 24, 2024 · on the market · 60 capsules · UPC 9 421904 081260
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Everyday Health (manufacturer), Rangiora, New Zealand. All Everyday Health products.