PlainVitamins

Hi-Stress B&C

by Source Naturals · tablet or pill · 120 tablets

  • On the market (NIH)
  • UPC 0 21078 00524 7
  • DSLD label 274663
  • Serving 2 to 4 tablets; amounts per 4 tablets
  • 30 servings

Hi-Stress B&C by Source Naturals lists 33 ingredients, 33 with an amount per serving of 4 tablets, such as 600 mg of vitamin C, 1.7 mcg (68 IU) of vitamin D3, 66 mg of thiamine and 40 mg of riboflavin, beside 3 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on November 22, 2022.

What is in Hi-Stress B&C?

Each row as the label prints it, per serving of 4 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).

Hi-Stress B&C: Supplement Facts rows against the market (DSLD label 274663, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories10 Calories
Total Carbohydrate2 g7%Carbohydrate in Hi-Stress B&C 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).

Dietary Fiber2 g7%Fiber in Hi-Stress B&C against 6,987 products2 g per serving; the middle half of products list 1 g to 4 g, the median 2 g.2 g

38% of 6,987 products listing fiber give more (median 2 g).

Vitamin Cas Ascorbic Acid600 mg667%Vitamin C in Hi-Stress B&C against 18,583 products600 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg600 mg

Higher than 89% of 18,583 products listing vitamin C (median 100 mg).

Vitamin D3as Cholecalciferol68 IU1.7 mcg (68 IU)9%Vitamin D in Hi-Stress B&C against 14,175 products1.7 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg1.7 mcg

97% of 14,175 products listing vitamin D give more (median 15 mcg).

Thiamineas Vitamin B166 mg5,500%Thiamin in Hi-Stress B&C against 9,830 products66 mg per serving; the middle half of products list 1.5 mg to 25 mg, the median 5 mg.DV 1.2 mg66 mg

Higher than 92% of 9,830 products listing thiamin (median 5 mg).

Riboflavinas Vitamin B240 mg3,076%Riboflavin in Hi-Stress B&C against 9,824 products40 mg per serving; the middle half of products list 1.7 mg to 25 mg, the median 4 mg.DV 1.3 mg40 mg

Higher than 85% of 9,824 products listing riboflavin (median 4 mg).

Niacin164 mg1,025%Niacin in Hi-Stress B&C against 12,413 products164 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg164 mg

Higher than 95% of 12,413 products listing niacin (median 20 mg). 4.7 times the adult UL a day.

Niacinamide131 mg
Niacin33 mg
Vitamin B6as Pyridoxine Hydrochloride53 mg3,118%Vitamin B6 in Hi-Stress B&C against 15,277 products53 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg53 mg

Higher than 94% of 15,277 products listing vitamin B6 (median 6 mg).

Folateas Folic Acid918 mcg230%Folate in Hi-Stress B&C against 7,022 products918 mcg per serving; the middle half of products list 200 mcg to 400 mcg, the median 400 mcg.918 mcg

Higher than 93% of 7,022 products listing folate (median 400 mcg).

Folic Acid540 mcg
Vitamin B12as Cyanocobalamin132 mcg5,500%Vitamin B12 in Hi-Stress B&C against 14,425 products132 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg132 mcg

Higher than 72% of 14,425 products listing vitamin B12 (median 36 mcg).

Biotin133 mcg443%Biotin in Hi-Stress B&C against 9,447 products133 mcg per serving; the middle half of products list 50 mcg to 300 mcg, the median 200 mcg.DV 30 mcg133 mcg

59% of 9,447 products listing biotin give more (median 200 mcg).

Pantothenic Acidas Calcium D-Pantothenate316 mg6,337%Pantothenic Acid (Vitamin B5) in Hi-Stress B&C against 10,060 products316 mg per serving; the middle half of products list 6 mg to 50 mg, the median 12 mg.DV 5 mg316 mg

Higher than 98% of 10,060 products listing pantothenic acid (vitamin B5) (median 12 mg).

Cholineas Choline Bitartrate69 mg12%Choline in Hi-Stress B&C against 4,738 products69 mg per serving; the middle half of products list 18 mg to 100 mg, the median 40 mg.DV 550 mgUL 3,500 mg69 mg

Higher than 68% of 4,738 products listing choline (median 40 mg).

Calciumas Calcium Carbonate, Calcium D-PantothenateNaturally occurring246 mg19%Calcium in Hi-Stress B&C against 17,831 products246 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg246 mg

Higher than 73% of 17,831 products listing calcium (median 115 mg).

Magnesiumas Magnesium Amino Acid Complex, Magnesium Oxide322 mg77%Magnesium in Hi-Stress B&C against 14,003 products322 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg322 mg

Higher than 90% of 14,003 products listing magnesium (median 86 mg).

Sodium20 mg1%Sodium in Hi-Stress B&C against 14,514 products20 mg per serving; the middle half of products list 15 mg to 142 mg, the median 55 mg.20 mg

67% of 14,514 products listing sodium give more (median 55 mg).

Potassiumas Potassium Citrate34 mg1%Potassium in Hi-Stress B&C against 11,614 products34 mg per serving; the middle half of products list 50 mg to 190 mg, the median 99 mg.DV 4,700 mg34 mg

83% of 11,614 products listing potassium give more (median 99 mg).

Valerian400 mgValerian in Hi-Stress B&C against 647 products400 mg per serving; the middle half of products list 80 mg to 450 mg, the median 200 mg.400 mg

Higher than 71% of 647 products listing valerian (median 200 mg).

Jujube350 mgJujube in Hi-Stress B&C against 115 products350 mg per serving; the middle half of products list 50 mg to 475 mg, the median 100 mg.350 mg

Higher than 68% of 115 products listing jujube (median 100 mg).

Catnip333 mg
Skullcap315 mgSkullcap in Hi-Stress B&C against 146 products315 mg per serving; the middle half of products list 50 mg to 443.75 mg, the median 142.5 mg.315 mg

Higher than 70% of 146 products listing skullcap (median 142.5 mg).

GABA250 mgGABA in Hi-Stress B&C against 744 products250 mg per serving; the middle half of products list 80 mg to 400 mg, the median 100 mg.250 mg

Higher than 66% of 744 products listing GABA (median 100 mg).

Hops Strobile233 mgHops in Hi-Stress B&C against 342 products233 mg per serving; the middle half of products list 50 mg to 150 mg, the median 75 mg.233 mg

Higher than 82% of 342 products listing hops (median 75 mg).

Chamomile200 mgChamomile in Hi-Stress B&C against 350 products200 mg per serving; the middle half of products list 30 mg to 150 mg, the median 75 mg.200 mg

Higher than 77% of 350 products listing chamomile (median 75 mg).

Passionflower aerial parts extract200 mgPassionflower in Hi-Stress B&C against 562 products200 mg per serving; the middle half of products list 40 mg to 200 mg, the median 100 mg.200 mg

Higher than 70% of 562 products listing passionflower (median 100 mg).

Spirulina200 mgSpirulina in Hi-Stress B&C against 92 products200 mg per serving; the middle half of products list 187.5 mg to 1,000 mg, the median 500 mg.200 mg

68% of 92 products listing spirulina give more (median 500 mg).

Inositol133 mgInositol in Hi-Stress B&C against 4,042 products133 mg per serving; the middle half of products list 10 mg to 80 mg, the median 30 mg.133 mg

Higher than 86% of 4,042 products listing inositol (median 30 mg).

Ginger100 mgGinger in Hi-Stress B&C against 1,770 products100 mg per serving; the middle half of products list 25 mg to 150 mg, the median 60 mg.100 mg

Higher than 56% of 1,770 products listing ginger (median 60 mg).

Licorice66 mgLicorice in Hi-Stress B&C against 888 products66 mg per serving; the middle half of products list 42 mg to 300 mg, the median 100 mg.66 mg

57% of 888 products listing licorice give more (median 100 mg).

L-Tyrosine66 mgTyrosine in Hi-Stress B&C against 1,680 products66 mg per serving; the middle half of products list 150 mg to 989 mg, the median 500 mg.66 mg

88% of 1,680 products listing tyrosine give more (median 500 mg).

Paba53 mgPABA in Hi-Stress B&C against 1,610 products53 mg per serving; the middle half of products list 10 mg to 50 mg, the median 25 mg.53 mg

Higher than 81% of 1,610 products listing PABA (median 25 mg).

Taurine50 mgTaurine in Hi-Stress B&C against 2,337 products50 mg per serving; the middle half of products list 110 mg to 1,000 mg, the median 500 mg.50 mg

87% of 2,337 products listing taurine give more (median 500 mg).

Lecithin20 mgLecithin in Hi-Stress B&C against 804 products20 mg per serving; the middle half of products list 50 mg to 1,200 mg, the median 200 mg.20 mg

94% of 804 products listing lecithin give more (median 200 mg).

Source: NIH ODS Dietary Supplement Label Database, label 274663 (entered November 22, 2022), 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:

  • 97% of the 14,175 products that print an amount of vitamin D list more than its 1.7 mcg (68 IU) of vitamin D (median 15 mcg (600 IU)).
  • Its 66 mg of thiamin is higher than 92% of the 9,830 thiamin products that print an amount; 816 list more.
  • At 1 serving a day, the most its directions give, the label lists 164 mg of niacin, 4.7 times the adult Tolerable Upper Intake Level.
  • Its 53 mg of vitamin B6 is higher than 94% of the 15,277 vitamin B6 products that print an amount; 976 list more.
  • Its 918 mcg of folate is higher than 93% of the 7,022 folate products that print an amount; 494 list more.
  • Its 316 mg of pantothenic acid (vitamin B5) is higher than 98% of the 10,060 pantothenic acid (vitamin B5) products that print an amount; 248 list more.

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 Hi-Stress B&C'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 to 4 tablets as needed in response to environmental stress.
Warnings
Contains soy.
Note: If you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product.
California Consumers: Warning: Reproductive harm - www.P65Warnings.ca.gov/food
Do not use if either tamper-evident seal is broken or missing.
Keep out of the reach of children.

Source: label statements in DSLD label 274663.

What else is on the label?

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

How many labels does Hi-Stress B&C have?

One label is on file, entered on November 22, 2022.

  1. Label 274663 (current) Entered November 22, 2022 · on the market · 120 tablets · UPC 0 21078 00524 7

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?