PlainVitamins

Sharp Ear

by nutra4health · capsule · 60 capsules

  • Off the market since November 2023 (NIH)
  • DSLD label 249270
  • Serving 2 capsules
  • 30 servings

Sharp Ear by nutra4health lists 11 ingredients, 11 with an amount per serving of 2 capsules, such as 800 mg of turmeric, 200 mg of glucosamine sulfate, 100 mg of turmeric and 100 mg of ginger extract. Its current label entered the NIH Dietary Supplement Label Database on June 23, 2021.

What is in Sharp Ear?

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).

Sharp Ear: Supplement Facts rows against the market (DSLD label 249270, January 2026 release)
IngredientAmount% DVAmong products listing it
Turmeric800 mgTurmeric in Sharp Ear against 2,369 products900 mg per serving; the middle half of products list 50 mg to 500 mg, the median 150 mg.900 mg

Higher than 88% of 2,369 products listing turmeric (median 150 mg).

Glucosamine Sulfate200 mgGlucosamine Sulfate in Sharp Ear against 875 products0.2 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1 g.0.2 g

92% of 875 products listing glucosamine sulfate give more (median 1 g).

Turmeric100 mg
Ginger extract100 mgGinger in Sharp Ear against 1,770 products100 mg per serving; the middle half of products list 25 mg to 150 mg, the median 60 mg.100 mg

Higher than 56% of 1,770 products listing ginger (median 60 mg).

Chondroitin Sulfate50 mgChondroitin Sulfate in Sharp Ear against 950 products50 mg per serving; the middle half of products list 200 mg to 1,200 mg, the median 400 mg.50 mg

94% of 950 products listing chondroitin sulfate give more (median 400 mg).

Boswellia extract40 mgBoswellia in Sharp Ear against 665 products40 mg per serving; the middle half of products list 100 mg to 290 mg, the median 135 mg.40 mg

93% of 665 products listing boswellia give more (median 135 mg).

MSM10 mgMethylsulfonylmethane in Sharp Ear against 1,454 products10 mg per serving; the middle half of products list 150 mg to 1,000 mg, the median 500 mg.10 mg

98% of 1,454 products listing methylsulfonylmethane give more (median 500 mg).

BioPerine10 mgBlack Pepper in Sharp Ear against 2,363 products10 mg per serving; the middle half of products list 5 mg to 10 mg, the median 5 mg.10 mg

Higher than 71% of 2,363 products listing black pepper (median 5 mg).

Quercetin8 mgQuercetin in Sharp Ear against 1,548 products8 mg per serving; the middle half of products list 26.5 mg to 250 mg, the median 100 mg.8 mg

94% of 1,548 products listing quercetin give more (median 100 mg).

Methionine8 mgMETHIONINE in Sharp Ear against 981 products8 mg per serving; the middle half of products list 25 mg to 250 mg, the median 100 mg.8 mg

91% of 981 products listing METHIONINE give more (median 100 mg).

Bromelain8 mgBromelain in Sharp Ear against 1,337 products8 mg per serving; the middle half of products list 25 mg to 200 mg, the median 50 mg.8 mg

93% of 1,337 products listing bromelain give more (median 50 mg).

Source: NIH ODS Dietary Supplement Label Database, label 249270 (entered June 23, 2021), 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?

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:

  • 92% of the 875 products that print an amount of glucosamine sulfate list more than its 0.2 g of glucosamine sulfate (median 1 g).
  • 94% of the 950 products that print an amount of chondroitin sulfate list more than its 50 mg of chondroitin sulfate (median 400 mg).
  • 93% of the 665 products that print an amount of boswellia list more than its 40 mg of boswellia (median 135 mg).
  • 98% of the 1,454 products that print an amount of methylsulfonylmethane list more than its 10 mg of MSM (filed by NIH under methylsulfonylmethane) (median 500 mg).
  • 94% of the 1,548 products that print an amount of quercetin list more than its 8 mg of quercetin (median 100 mg).
  • 91% of the 981 products that print an amount of METHIONINE list more than its 8 mg of methionine (filed by NIH under METHIONINE) (median 100 mg).

The NIH database records one serving 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?

4 products list the very same ingredients; the nearest amounts come first.

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: As a dietary supplement, take two (2) capsules once a day. For best results take 20-30 min before a meal with an 8 oz. glass of water or as directed by your healthcare professional.
Warnings
Warning: Consult with a physician prior to use if you have any medical conditions.
Glucosamine is derived from shellfish. People allergic to shellfish should not consume this product.
Keep out of reach of children.
Do not use if safety seal is damaged or missing.
Contains: Shellfish
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 249270.

What else is on the label?

Other ingredients: Cellulose, Rice Flour.

How many labels does Sharp Ear have?

One label is on file, entered on June 23, 2021.

  1. Label 249270 (current) Entered June 23, 2021 · off the market November 9, 2023 · 60 capsules

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

Who makes it?

The label names nutra4health LLC (distributor), Lewes, DE. All nutra4health products.

Where next?