PlainVitamins

Contralenta

by Immunotec · tablet or pill · 90 tablets

  • On the market (NIH)
  • DSLD label 240027
  • Serving 3 tablets
  • 30 servings

Contralenta by Immunotec lists 6 ingredients, 6 with an amount per serving of 3 tablets, such as 1,500 mg of glucosamine sulfate 2KCl, 1,000 mg of methylsulfonylmethane, 150 mg of chondroitin sulfate sodium and 0.5 mg of boron. Its current label entered the NIH Dietary Supplement Label Database on November 21, 2020.

What is in Contralenta?

Each row as the label prints it, per serving of 3 tablets. 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).

Contralenta: Supplement Facts rows against the market (DSLD label 240027, January 2026 release)
IngredientAmount% DVAmong products listing it
Glucosamine Sulfate 2KCl1,500 mgGlucosamine Sulfate in Contralenta against 875 products1.5 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1 g.1.5 g

Higher than 64% of 875 products listing glucosamine sulfate (median 1 g).

Methylsulfonylmethane1,000 mgMethylsulfonylmethane in Contralenta against 1,454 products1,000 mg per serving; the middle half of products list 150 mg to 1,000 mg, the median 500 mg.1,000 mg

Higher than 74% of 1,454 products listing methylsulfonylmethane (median 500 mg).

Chondroitin Sulfate SodiumChondroitin Sulfate Sodium Note: 90%150 mgChondroitin Sulfate in Contralenta against 950 products150 mg per serving; the middle half of products list 200 mg to 1,200 mg, the median 400 mg.150 mg

80% of 950 products listing chondroitin sulfate give more (median 400 mg).

Boronas Boron CitrateBoron (Form: as Boron Citrate)0.5 mgBoron in Contralenta against 3,339 products0.5 mg per serving; the middle half of products list 0.3 mg to 2 mg, the median 1 mg.UL 20 mg0.5 mg

65% of 3,339 products listing boron give more (median 1 mg).

Indian Frankincense extract50 mgBoswellia in Contralenta against 665 products50 mg per serving; the middle half of products list 100 mg to 290 mg, the median 135 mg.50 mg

86% of 665 products listing boswellia give more (median 135 mg).

Devil's Claw extractDevil's Claw extract PlantPart: root Note: 4:150 mgDevil's Claw in Contralenta against 162 products50 mg per serving; the middle half of products list 30.25 mg to 507.5 mg, the median 122.5 mg.50 mg

65% of 162 products listing Devil's claw give more (median 122.5 mg).

Source: NIH ODS Dietary Supplement Label Database, label 240027 (entered November 21, 2020), 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:

  • 86% of the 665 products that print an amount of boswellia list more than its 50 mg of indian frankincense extract (filed by NIH under boswellia) (median 135 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?

The products whose ingredient lists overlap most with Contralenta'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
Recommended adult dosage: Take 3 tablets once a day before a meal with water or juice.
Warnings
Contains shellfish (shrimp and crab). This product is manufactured in a facility that uses milk, wheat, fish, eggs, tree nuts, and soy.
Cautions and warnings: Consult a health care practitioner prior to use if you are pregnant or breastfeeding.
If symptoms worsen, consult a health care practitioner.
Hypersensitivity (e.g. allergy) has been known to occur; in which case, discontinue use.
Some people may experience mild gastrointestinal disturbances; in which case, discontinue use.
Keep out of reach of children.
Do not use if security seal is broken or missing.
Storage
Keep in a cool and dry place.

Source: label statements in DSLD label 240027.

What else is on the label?

Other ingredients: Dicalcium Phosphate, Microcrystalline Cellulose, Stearic Acid, Croscarmellose Sodium, Hypromellose, Hydroxypropyl Cellulose, Silica, Glycerin.

How many labels does Contralenta have?

One label is on file, entered on November 21, 2020.

  1. Label 240027 (current) Entered November 21, 2020 · on the market · 90 tablets

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

Who makes it?

The label names Immunotec Research Inc. (distributor), Commerce, CA. All Immunotec products.

Where next?