Acid-A-Cal

by Enzymatic Therapy · capsule · 100 capsules

  • Off the market since November 2015 (NIH)
  • UPC 7 63948 01151 3
  • DSLD label 24605
  • Serving 2 capsules
  • 50 servings

Acid-A-Cal by Enzymatic Therapy lists 8 ingredients, 8 with an amount per serving of 2 capsules, such as 100 mg of vitamin C, 50 mg of vitamin B6, 108 mg of calcium and 11 mg of magnesium. Its current label entered the NIH Dietary Supplement Label Database on August 23, 2013.

What is in Acid-A-Cal?

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).

Acid-A-Cal: Supplement Facts rows against the market (DSLD label 24605, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Ascorbic Acid, Rose HipVitamin C (Form: ascorbic acid, and from rose hips)100 mg167%Vitamin C in Acid-A-Cal against 18,583 products100 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg100 mg

50% of 18,583 products listing vitamin C give more (median 100 mg).

Vitamin B6as Pyridoxine HydrochlorideVitamin B6 (Form: as Pyridoxine HCl)50 mg2,500%Vitamin B6 in Acid-A-Cal against 15,277 products50 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg50 mg

Higher than 87% of 15,277 products listing vitamin B6 (median 6 mg).

Calciumas Calcium Chloride, Dicalcium PhosphateCalcium (Form: as Calcium Chloride, and Dicalcium Phosphate)108 mg11%Calcium in Acid-A-Cal against 17,831 products108 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg108 mg

52% of 17,831 products listing calcium give more (median 115 mg).

Magnesiumas Magnesium GlycerophosphateMagnesium (Form: as Magnesium Glycerophosphate)11 mg3%Magnesium in Acid-A-Cal against 14,003 products11 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg11 mg

91% of 14,003 products listing magnesium give more (median 86 mg).

Ammonium Chloride192 mg
Betaine HCl192 mgBetaine Hydrochloride in Acid-A-Cal against 914 products192 mg per serving; the middle half of products list 25 mg to 178 mg, the median 50 mg.192 mg

Higher than 76% of 914 products listing betaine hydrochloride (median 50 mg).

Kidney ExtractKidney Extract Note: freeze-dried60 mgKidney in Acid-A-Cal against 82 products60 mg per serving; the middle half of products list 30.5 mg to 483.75 mg, the median 63 mg.60 mg

50% of 82 products listing kidney give more (median 63 mg).

Lemon (Citrus x limon) fruit Bioflavonoids60 mgFlavonoid in Acid-A-Cal against 2,343 products60 mg per serving; the middle half of products list 25 mg to 100 mg, the median 50 mg.60 mg

Higher than 55% of 2,343 products listing flavonoid (median 50 mg).

Source: NIH ODS Dietary Supplement Label Database, label 24605 (entered August 23, 2013), 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:

  • 91% of the 14,003 products that print an amount of magnesium list more than its 11 mg of magnesium (median 86 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 Acid-A-Cal'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
Recommendations: Two capsules with each meal and at bedtime.
Warnings
If pregnant, nursing, or taking prescription drugs, consult your healthcare practitioner prior to use.
Allergens and what it does not contain
Contains no sugar, salt, yeast, wheat, gluten, corn, soy, dairy products, artificial flavoring, or preservatives.
Storage
Keep bottle tightly closed. This product attracts moisture.

Source: label statements in DSLD label 24605.

What else is on the label?

Other ingredients: Vegetable Capsule, Cellulose, Magnesium Stearate, Silicon Dioxide, Titanium Dioxide color.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): LABORATORY TESTED PURITY, SAFETY & PERFORMANCE; Enzymatic Therapy What Better Feels Like(R).

How many labels does Acid-A-Cal have?

One label is on file, entered on August 23, 2013.

  1. Label 24605 (current) Entered August 23, 2013 · off the market November 9, 2015 · 100 capsules · UPC 7 63948 01151 3

DSLD also links this label to: Acid-A-Cal Formula (image difference, same product), Acid-A-Cal Formula (image difference, same product).

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

Who makes it?

The label names Enzymatic Therapy, Inc. (distributor), Green Bay, WI. All Enzymatic Therapy products.

Where next?