PlainVitamins

Arth-Plus

by MicroTech Professional Formulations · capsule · 60 capsules

  • On the market (NIH)
  • DSLD label 214850
  • Serving 2 capsules
  • 30 servings

Arth-Plus by MicroTech Professional Formulations lists 10 ingredients, 10 with an amount per serving of 2 capsules, such as 640 mcg of magnesium, 2 mg of zinc, 200 mcg of copper and 5.5 mg of manganese. Its current label entered the NIH Dietary Supplement Label Database on March 24, 2020.

What is in Arth-Plus?

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).

Arth-Plus: Supplement Facts rows against the market (DSLD label 214850, January 2026 release)
IngredientAmount% DVAmong products listing it
Magnesiumas Magnesium Ascorbate640 mcg2%

This amount is far outside what other labels list for magnesium, or disagrees with the label's own %DV: possibly a unit or transcription slip in the database. Check the label image on DSLD.

Zincas Zinc Picolinate2 mg13%Zinc in Arth-Plus against 13,186 products2 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg2 mg

90% of 13,186 products listing zinc give more (median 11 mg).

Copperas Copper Gluconate200 mcg10%Copper in Arth-Plus against 6,468 products0.2 mg per serving; the middle half of products list 0.5 mg to 2 mg, the median 1 mg.DV 0.9 mgUL 10 mg0.2 mg

88% of 6,468 products listing copper give more (median 1 mg).

Manganeseas Manganese Gluconate5.5 mg275%Manganese in Arth-Plus against 7,016 products5.5 mg per serving; the middle half of products list 1 mg to 3.92 mg, the median 2 mg.DV 2.3 mgUL 11 mg5.5 mg

Higher than 89% of 7,016 products listing manganese (median 2 mg).

D-Glucosamine Sulfate1,000 mgGlucosamine Sulfate in Arth-Plus against 875 products1 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1 g.1 g

40% of 875 products listing glucosamine sulfate give more (median 1 g).

Chondroitin Sulfate150 mgChondroitin Sulfate in Arth-Plus 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).

MSM100 mgMethylsulfonylmethane in Arth-Plus against 1,454 products100 mg per serving; the middle half of products list 150 mg to 1,000 mg, the median 500 mg.100 mg

78% of 1,454 products listing methylsulfonylmethane give more (median 500 mg).

Protease6 mgProteolytic Enzymes (Proteases) in Arth-Plus against 327 products6 mg per serving; the middle half of products list 10 mg to 100 mg, the median 30 mg.6 mg

78% of 327 products listing proteolytic enzymes (proteases) give more (median 30 mg).

Devils Claw10 mgDevil's Claw in Arth-Plus against 162 products10 mg per serving; the middle half of products list 30.25 mg to 507.5 mg, the median 122.5 mg.10 mg

88% of 162 products listing Devil's claw give more (median 122.5 mg).

White Willow extract40 mgWhite Willow in Arth-Plus against 256 products40 mg per serving; the middle half of products list 80 mg to 400 mg, the median 150 mg.40 mg

87% of 256 products listing white willow give more (median 150 mg).

Source: NIH ODS Dietary Supplement Label Database, label 214850 (entered March 24, 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:

  • 90% of the 13,186 products that print an amount of zinc list more than its 2 mg of zinc (median 11 mg).
  • 88% of the 6,468 products that print an amount of copper list more than its 0.2 mg of copper (median 1 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 Arth-Plus'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
Suggested use: 2 capsules daily.
Warnings
Warning: Do not use if the inner seal is broken or damaged.
As always, consult your physician before using this product if you are pregnant, lactating or have a medical condition.
Keep out of reach of children.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 214850.

What else is on the label?

Other ingredients: Gelatin, Magnesium Silicate, Magnesium Stearate.

How many labels does Arth-Plus have?

2 labels are on file under this name since November 25, 2011: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 214850 (current) Entered March 24, 2020 · on the market · 60 capsules
  2. Label 1896 Entered November 25, 2011 · off the market June 12, 2019 · 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 Micro-Tech (distributor), Mesa, AZ. All MicroTech Professional Formulations products.

Where next?