Estrogen Blocker
by Herbs SRA · capsule · 120 vegetarian capsules
- On the market (NIH)
- DSLD label 316170
- Serving 2 capsules (400 mg)
- 60 servings
Estrogen Blocker by Herbs SRA lists 3 ingredients, 3 with an amount per serving of 2 capsules, such as 200 mg of diindolylmethane, 160 mg of resveratrol and 40 mg of black pepper fruit extract. Its current label entered the NIH Dietary Supplement Label Database on August 22, 2024.
What is in Estrogen Blocker?
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 |
|---|---|---|---|
| Diindolylmethane | 200 mg | Higher than 67% of 425 products listing diindolylmethane (median 100 mg). Per day at the most servings: 400 mg. | |
| Resveratrolas Japanese Knotweed98% | 160 mg | Higher than 79% of 1,123 products listing resveratrol (median 50 mg). Per day at the most servings: 320 mg. | |
| Black Pepper Fruit Extract | 40 mg | Higher than 97% of 2,363 products listing black pepper (median 5 mg). Per day at the most servings: 80 mg. |
Source: NIH ODS Dietary Supplement Label Database, label 316170 (entered August 22, 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?
The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:
- Its 40 mg of black pepper is higher than 97% of the 2,363 black pepper products that print an amount; 57 list more.
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 Estrogen Blocker's, rare ingredients counting for more.
- DIM-250OL Olympian Labs Performance Sports Nutrition · off the market 2 shared, 67% alike
- DIM For HerOL Olympian Labs The Optimal Blend 2 shared, 67% alike
- DIM 250 mgOL Olympian Labs · off the market 2 shared, 67% alike
- DIM + BioPerineDrFormulas · off the market 2 shared, 67% alike
- DIM 200 mg + BioPerine Extra Strength FormulaSmoky Mountain Naturals 2 shared, 67% alike
- DIM 200 mgSmoky Mountain Nutrition · off the market 2 shared, 67% 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 two (2) capsules twice daily. For best results, take capsules in the morning and afternoon with 8 oz. of water.
- Warnings
- Caution: Do not exceed recommended dose.
- Pregnant or nursing mothers, children under the age of 18, and individuals with a known medical condition should consult a physician before using this or any dietary supplement.
- Pregnant or nursing mothers, children under the age of 18, and individuals with a known medical condition should consult a physician before using this or any dietary supplement. Keep out of the reach of children.
- Do not use if safety seal is damaged or missing.
- Storage
- Store in a cool, dry place.
Source: label statements in DSLD label 316170.
What else is on the label?
Other ingredients: Cellulose.
How many labels does Estrogen Blocker have?
One label is on file, entered on August 22, 2024.
- Label 316170 (current) Entered August 22, 2024 · on the market · 120 vegetarian capsules
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Herbs SRA (distributor), Houston, TX. All Herbs SRA products.