PlainVitamins

Phytocal A

by D'Adamo Personalized Nutrition · capsule · 120 Vegetarian Capsules

  • On the market (NIH)
  • DSLD label 287141
  • Serving 2 capsules
  • 60 servings

Phytocal A by D'Adamo Personalized Nutrition lists 14 ingredients, 14 with an amount per serving of 2 capsules, such as 16.6 IU of vitamin A, 133.3 IU (3.33 mcg) of vitamin D, 333.3 mg of calcium and 66.6 mg of magnesium. Its current label entered the NIH Dietary Supplement Label Database on June 22, 2023.

What is in Phytocal A?

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).

Phytocal A: Supplement Facts rows against the market (DSLD label 287141, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Aas Vitamin A Acetate16.6 IU1%Vitamin A in Phytocal A against 5,772 products16.6 IU per serving; the middle half of products list 2,000 IU to 5,000 IU, the median 4,000 IU.16.6 IU

99% of 5,772 products listing vitamin A give more (median 4,000 IU). Per day at the most servings: 49.8 IU.

Vitamin Das Cholecalciferol133.3 IU (3.33 mcg)33%Vitamin D in Phytocal A against 14,175 products3.33 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg3.33 mcg

91% of 14,175 products listing vitamin D give more (median 15 mcg). Per day at the most servings: 10 mcg.

Calciumas Seaweed extract333.3 mg33%Calcium in Phytocal A against 17,831 products333.3 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg333.3 mg

Higher than 80% of 17,831 products listing calcium (median 115 mg). Per day at the most servings: 999.9 mg.

Magnesiumas Magnesium Citrate66.6 mg16%Magnesium in Phytocal A against 14,003 products66.6 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg66.6 mg

55% of 14,003 products listing magnesium give more (median 86 mg). Per day at the most servings: 199.8 mg.

Zincas Zinc Picolinate8 mg53%Zinc in Phytocal A against 13,186 products8 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg8 mg

60% of 13,186 products listing zinc give more (median 11 mg). Per day at the most servings: 24 mg.

Seleniumas Selenium Picolinate33 mcg47%Selenium in Phytocal A against 7,658 products33 mcg per serving; the middle half of products list 27 mcg to 100 mcg, the median 55 mcg.DV 55 mcgUL 400 mcg33 mcg

72% of 7,658 products listing selenium give more (median 55 mcg). Per day at the most servings: 99 mcg.

Molybdenumas Molybdenum Citrate3.3 mcg4%Molybdenum in Phytocal A against 4,390 products3.3 mcg per serving; the middle half of products list 25 mcg to 75 mcg, the median 50 mcg.DV 45 mcgUL 2,000 mcg3.3 mcg

99% of 4,390 products listing molybdenum give more (median 50 mcg). Per day at the most servings: 9.9 mcg.

Ipriflavones46.6 mgIpriflavone in Phytocal A against 75 products46.6 mg per serving; the middle half of products list 100 mg to 300 mg, the median 200 mg.46.6 mg

85% of 75 products listing ipriflavone give more (median 200 mg). Per day at the most servings: 139.8 mg.

Betaine Hydrochloride33.3 mgBetaine Hydrochloride in Phytocal A against 914 products33.3 mg per serving; the middle half of products list 25 mg to 178 mg, the median 50 mg.33.3 mg

55% of 914 products listing betaine hydrochloride give more (median 50 mg). Per day at the most servings: 99.9 mg.

Horsetail33.3 mgHorsetail in Phytocal A against 519 products33.3 mg per serving; the middle half of products list 20 mg to 200 mg, the median 67 mg.33.3 mg

66% of 519 products listing horsetail give more (median 67 mg). Per day at the most servings: 99.9 mg.

Lipase1,000 IU/g20 mgLipase in Phytocal A against 366 products20 mg per serving; the middle half of products list 5 mg to 25 mg, the median 10 mg.20 mg

Higher than 65% of 366 products listing lipase (median 10 mg). Per day at the most servings: 60 mg.

Gentian6.6 mgGentian in Phytocal A against 103 products6.6 mg per serving; the middle half of products list 20 mg to 122.5 mg, the median 60 mg.6.6 mg

96% of 103 products listing gentian give more (median 60 mg). Per day at the most servings: 19.8 mg.

Boronas Boron Citrate1.3 mgBoron in Phytocal A against 3,339 products1.3 mg per serving; the middle half of products list 0.3 mg to 2 mg, the median 1 mg.UL 20 mg1.3 mg

Higher than 58% of 3,339 products listing boron (median 1 mg). Per day at the most servings: 3.9 mg.

Vanadiumas Vanadium Citrate16.6 mgVanadium in Phytocal A against 1,744 products16,600 mcg per serving; the middle half of products list 10 mcg to 100 mcg, the median 25 mcg.UL 1,800 mcg16,600 mcg

Higher than over 99% of 1,744 products listing vanadium (median 25 mcg). Per day at the most servings: 49,800 mcg. 27.7 times the adult UL a day.

Source: NIH ODS Dietary Supplement Label Database, label 287141 (entered June 22, 2023), 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:

  • 99% of the 5,772 products that print an amount of vitamin A list more than its 16.6 IU of vitamin A (median 4,000 IU).
  • 91% of the 14,175 products that print an amount of vitamin D list more than its 3.33 mcg (133 IU) of vitamin D (median 15 mcg (600 IU)).
  • 99% of the 4,390 products that print an amount of molybdenum list more than its 3.3 mcg of molybdenum (median 50 mcg).
  • 96% of the 103 products that print an amount of gentian list more than its 6.6 mg of gentian (median 60 mg).
  • At 3 servings a day, the most its directions give, the label lists 49,800 mcg of vanadium, 27.7 times the adult Tolerable Upper Intake Level.

The NIH database records 2 to 3 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 Phytocal A'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
Directions: Two (2) capsules 2-3 times daily with meals as a dietary supplement or as directed by a physician.
Warnings
Contains soy from Soy Ipriflavones
Allergens and what it does not contain
Stearate free encapsulation
This product contains no sugar, salt, gluten, yeast, corn, milk or egg products, no preservatives, color or flavors, and no artificial ingredients.

Source: label statements in DSLD label 287141.

What else is on the label?

Other ingredients: Cellulose, Rice Extract, Magnesium Citrate, Rice Concentrate, Silicon Dioxide.

How many labels does Phytocal A have?

One label is on file, entered on June 22, 2023.

  1. Label 287141 (current) Entered June 22, 2023 · 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 North American Pharmacal, Inc. (distributor), Wilton, CT. All D'Adamo Personalized Nutrition products.

Where next?