O'Leave20
by SeraVita Nutraceuticals · capsule · 200 capsules
- On the market (NIH)
- UPC 7 93573 88510 4
- DSLD label 73553
- Serving 1 capsule
- 200 servings
O'Leave20 by SeraVita Nutraceuticals lists one ingredient: 500 mg of olive leaf extract per serving of 1 capsule. Its current label entered the NIH Dietary Supplement Label Database on May 24, 2017.
What is in O'Leave20?
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).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Olive leaf extractas OleuropeinOlive leaf extract (Form: 20% Oleuropein Note: standardized) PlantPart: leaf | 500 mg | Higher than 81% of 822 products listing olive (median 100 mg). Per day at the most servings: 3,000 mg. |
Source: NIH ODS Dietary Supplement Label Database, label 73553 (entered May 24, 2017), version 9.4.0. See the label on DSLD. 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 to 6 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?
6 products list the very same ingredients; the nearest amounts come first.
- Olive LeafGNC Herbal Plus Standardized same ingredients
- Olive LeafVitabase same ingredients
- Olive Leaf ExtractBronson · off the market same ingredients
- Standardized Olive Leaf ExtractOL Olympian Labs · off the market same ingredients
- Standardized Olive Leaf Extract21st Century same ingredients
- Olive Leaf ExtractThe Vitamin Shoppe same ingredients
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 for use: 1 capsule 2 x daily. For intensive use take 1 capsule 6 x daily.
- Warnings
- Tamper resistant seal Do not use if safety seal is broken or missing
- Keep out of reach of children
- If you are pregnant or nursing, seek the advice of your physician before using this product.
- Allergens and what it does not contain
- This product contains no added yeast, wheat, corn, soy, salt, sugar, dairy products, artificial colorings, flavorings or preservatives.
- Storage
- Store in a dry cool place at 58-85(0)F (15-30(0)C)
Source: label statements in DSLD label 73553.
What else is on the label?
Other ingredients: Dicalcium Phosphate, Magnesium Stearate, Gelatin Capsule.
How many labels does O'Leave20 have?
One label is on file, entered on May 24, 2017.
- Label 73553 (current) Entered May 24, 2017 · on the market · 200 capsules · UPC 7 93573 88510 4
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names SeraVita LLC (distributor), Carson City, NV. All SeraVita Nutraceuticals products.