PlainVitamins

Ultra-Cal Night With Vitamin K

by Source Naturals · tablet or pill · 60 tablets

  • On the market (NIH)
  • UPC 0 21078 01852 0
  • DSLD label 78778
  • Serving 2 tablets
  • 30 servings

Ultra-Cal Night With Vitamin K by Source Naturals lists 15 ingredients, 15 with an amount per serving of 2 tablets, such as 144 mg of vitamin C, 100 IU (2.5 mcg) of vitamin D3, 500 mcg of vitamin K-1 and 10 mg of vitamin B6, beside 2 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on September 21, 2017.

What is in Ultra-Cal Night With Vitamin K?

Each row as the label prints it, per serving of 2 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).

Ultra-Cal Night With Vitamin K: Supplement Facts rows against the market (DSLD label 78778, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories10 Calories
Total Carbohydrates2 g1%Carbohydrate in Ultra-Cal Night With Vitamin K against 21,979 products2 g per serving; the middle half of products list 1 g to 6 g, the median 3 g.2 g

58% of 21,979 products listing carbohydrate give more (median 3 g).

Vitamin Cas Ascorbic Acid, Calcium Ascorbate, Manganese AscorbateVitamin C (Form: as Calcium Ascorbate, and Manganese Ascorbate) (Alt. Name: Ascorbic Acid)144 mg240%Vitamin C in Ultra-Cal Night With Vitamin K against 18,583 products144 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg144 mg

Higher than 58% of 18,583 products listing vitamin C (median 100 mg).

Vitamin D3as Cholecalciferol100 IU (2.5 mcg)25%Vitamin D in Ultra-Cal Night With Vitamin K against 14,175 products2.5 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg2.5 mcg

92% of 14,175 products listing vitamin D give more (median 15 mcg).

Vitamin K-1500 mcg625%Vitamin K in Ultra-Cal Night With Vitamin K against 4,607 products500 mcg per serving; the middle half of products list 35 mcg to 100 mcg, the median 80 mcg.DV 120 mcg500 mcg

Higher than 95% of 4,607 products listing vitamin K (median 80 mcg).

Vitamin B6as Pyridoxine HydrochlorideVitamin B-6 (Form: as Pyridoxine HCl)10 mg500%Vitamin B6 in Ultra-Cal Night With Vitamin K against 15,277 products10 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg10 mg

Higher than 55% of 15,277 products listing vitamin B6 (median 6 mg).

Folateas Folic Acid100 mcg25%Folate in Ultra-Cal Night With Vitamin K against 7,022 products100 mcg per serving; the middle half of products list 200 mcg to 400 mcg, the median 400 mcg.100 mcg

86% of 7,022 products listing folate give more (median 400 mcg).

Calciumas Calcium Ascorbate, Calcium Carbonate, Calcium CitrateCalcium (Form: as Calcium Citrate, Calcium Malate, Calcium Carbonate, Calcium Ascorbate, Calcium Fumarate, & Calcium Ethanolamine Phosphate)300 mg30%Calcium in Ultra-Cal Night With Vitamin K against 17,831 products300 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg300 mg

Higher than 77% of 17,831 products listing calcium (median 115 mg).

Magnesiumas Magnesium Citrate, Magnesium Fumarate, Magnesium MalateMagnesium (Form: as Magnesium Oxide, Magnesium Citrate, Magnesium Malate, & Magnesium Fumarate)300 mg75%Magnesium in Ultra-Cal Night With Vitamin K against 14,003 products300 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg300 mg

Higher than 87% of 14,003 products listing magnesium (median 86 mg).

Zincas Zinc ChelateZinc (Form: as Zinc Chelate)4 mg27%Zinc in Ultra-Cal Night With Vitamin K against 13,186 products4 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg4 mg

81% of 13,186 products listing zinc give more (median 11 mg).

Copperas Copper SebacateCopper (Form: as Copper Sebacate)500 mcg25%Copper in Ultra-Cal Night With Vitamin K against 6,468 products0.5 mg per serving; the middle half of products list 0.5 mg to 2 mg, the median 1 mg.DV 0.9 mgUL 10 mg0.5 mg

68% of 6,468 products listing copper give more (median 1 mg).

Manganeseas Manganese AscorbateManganese (Form: as Manganese Ascorbate)4 mg200%Manganese in Ultra-Cal Night With Vitamin K against 7,016 products4 mg per serving; the middle half of products list 1 mg to 3.92 mg, the median 2 mg.DV 2.3 mgUL 11 mg4 mg

Higher than 75% of 7,016 products listing manganese (median 2 mg).

Sodium5 mg1%Sodium in Ultra-Cal Night With Vitamin K against 14,514 products5 mg per serving; the middle half of products list 15 mg to 142 mg, the median 55 mg.5 mg

89% of 14,514 products listing sodium give more (median 55 mg).

SoyLife non-GMO Isoflavone Complexas SoySoyLife non-GMO Isoflavone Complex (Form: from Soy) Note: yielding414 mgIsoflavones in Ultra-Cal Night With Vitamin K against 290 products414 mg per serving; the middle half of products list 25 mg to 80 mg, the median 50 mg.414 mg

Higher than 96% of 290 products listing isoflavones (median 50 mg).

Total Isoflavones8.2 mg
L-Lysineas L-Lysine HydrochlorideL-Lysine (Form: as L-Lysine HCl)30 mgLysine in Ultra-Cal Night With Vitamin K against 1,250 products30 mg per serving; the middle half of products list 148.25 mg to 996.25 mg, the median 500 mg.30 mg

92% of 1,250 products listing lysine give more (median 500 mg).

Silicaas Horsetail aerial parts extractSilica (Form: from Horsetail aerial parts extract PlantPart: aerial parts)4 mgSilicon in Ultra-Cal Night With Vitamin K against 1,220 products4 mg per serving; the middle half of products list 2 mg to 10.5 mg, the median 4 mg.4 mg

44% of 1,220 products listing silicon give more (median 4 mg).

Boronas Boron Amino Acid ChelateBoron (Form: as Boron Amino Acid Chelate)1.5 mgBoron in Ultra-Cal Night With Vitamin K against 3,339 products1.5 mg per serving; the middle half of products list 0.3 mg to 2 mg, the median 1 mg.UL 20 mg1.5 mg

Higher than 58% of 3,339 products listing boron (median 1 mg).

Source: NIH ODS Dietary Supplement Label Database, label 78778 (entered September 21, 2017), 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 14,175 products that print an amount of vitamin D list more than its 2.5 mcg (100 IU) of vitamin D (median 15 mcg (600 IU)).
  • Its 500 mcg of vitamin K is higher than 95% of the 4,607 vitamin K products that print an amount; 160 list more.
  • 86% of the 7,022 products that print an amount of folate list more than its 100 mcg of folate (median 400 mcg).
  • Its 414 mg of SoyLife non-GMO isoflavone complex (filed by NIH under isoflavones) is higher than 96% of the 290 isoflavones products that print an amount; 11 list more.
  • 92% of the 1,250 products that print an amount of lysine list more than its 30 mg of L-lysine (filed by NIH under lysine) (median 500 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?

1 product lists 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
Ultra-Cal Night is specifically designed to be taken at night.
Suggested Use: To maximize calcium utilization, take 1 tablet at breakfast and dinner, and 2 tablets at bedtime.
Warnings
Caution: If you are taking anticoagulant drugs, such as warfarin (Coumadin), or if you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product.
If you experience an uncomfortable laxative effect, simply decrease your dosage.
Do not use if either tamper-evident seal is broken or missing.
Keep out of the reach of children.
Contains soy.

Source: label statements in DSLD label 78778.

What else is on the label?

Other ingredients: Stearic Acid, modified Cellulose Gum, Acacia Gum, Sorbitol, Silica, Magnesium Stearate.

How many labels does Ultra-Cal Night With Vitamin K have?

2 labels are on file under this name since September 21, 2017: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 78784 Entered September 21, 2017 · off the market July 6, 2022 · 240 tablets · UPC 0 21078 01854 4
  2. Label 78778 (current) Entered September 21, 2017 · on the market · 60 tablets · UPC 0 21078 01852 0

DSLD also links this label to: Ultra-Cal Night (package size 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 Source Naturals, Inc. (distributor), Santa Cruz, CA. All Source Naturals products.

Where next?