PlainVitamins

Optimal Prenatal

by Seeking Health · capsule · 240 vegetarian capsules

  • On the market (NIH)
  • UPC 8 10007 52081 0
  • DSLD label 292557
  • Serving 8 capsules
  • 30 servings

Optimal Prenatal by Seeking Health lists 36 ingredients, 36 with an amount per serving of 8 capsules, such as 1,500 mcg RAE of vitamin A, 350 mg of vitamin C, 100 mcg (4,000 IU) of vitamin D and 130 mg of vitamin E. Its current label entered the NIH Dietary Supplement Label Database on July 18, 2023.

What is in Optimal Prenatal?

Each row as the label prints it, per serving of 8 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).

Optimal Prenatal: Supplement Facts rows against the market (DSLD label 292557, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Aas Beta-Carotene, Retinyl Palmitate1,500 mcg RAE115%
Vitamin Cas Ascorbic Acid350 mg292%Vitamin C in Optimal Prenatal against 18,583 products350 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg350 mg

Higher than 79% of 18,583 products listing vitamin C (median 100 mg).

Vitamin Das Cholecalciferol4000 IU100 mcg (4,000 IU)667%Vitamin D in Optimal Prenatal against 14,175 products100 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg100 mcg

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

Vitamin Eas Novatol130 mg684%
Thiamineas Thiamine Hydrochloride5 mg357%Thiamin in Optimal Prenatal against 9,830 products5 mg per serving; the middle half of products list 1.5 mg to 25 mg, the median 5 mg.DV 1.2 mg5 mg

46% of 9,830 products listing thiamin give more (median 5 mg).

Riboflavinas Riboflavin 5-Phosphate Sodium10 mg625%Riboflavin in Optimal Prenatal against 9,824 products10 mg per serving; the middle half of products list 1.7 mg to 25 mg, the median 4 mg.DV 1.3 mg10 mg

Higher than 61% of 9,824 products listing riboflavin (median 4 mg).

Niacinas Niacinamide25 mg NE139%Niacin in Optimal Prenatal against 12,413 products25 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg25 mg

Higher than 56% of 12,413 products listing niacin (median 20 mg).

Vitamin B6as Pyridoxal 5-Phosphate, Pyridoxine Hydrochloride20 mg1,000%Vitamin B6 in Optimal Prenatal against 15,277 products20 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg20 mg

Higher than 71% of 15,277 products listing vitamin B6 (median 6 mg).

Folate1,360 mcg DFE227%
Quatrefolicas (6S)-5-Methyltetrahydrofolate, Calcium Folinate, Glucosamine Salt800 mcg
Vitamin B12as Adenosylcobalamin, Mecobalactive150 mcg5,357%Vitamin B12 in Optimal Prenatal against 14,425 products150 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg150 mcg

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

Biotin500 mcg1,429%Biotin in Optimal Prenatal against 9,447 products500 mcg per serving; the middle half of products list 50 mcg to 300 mcg, the median 200 mcg.DV 30 mcg500 mcg

Higher than 79% of 9,447 products listing biotin (median 200 mcg).

Pantothenic Acidas D-Calcium Pantothenate150 mg2,143%Pantothenic Acid (Vitamin B5) in Optimal Prenatal against 10,060 products150 mg per serving; the middle half of products list 6 mg to 50 mg, the median 12 mg.DV 5 mg150 mg

Higher than 93% of 10,060 products listing pantothenic acid (vitamin B5) (median 12 mg).

Cholineas Choline Bitartrate250 mg45%Choline in Optimal Prenatal against 4,738 products250 mg per serving; the middle half of products list 18 mg to 100 mg, the median 40 mg.DV 550 mgUL 3,500 mg250 mg

Higher than 89% of 4,738 products listing choline (median 40 mg).

Calciumas DimaCalTRAACS dicalcium malate400 mg31%Calcium in Optimal Prenatal against 17,831 products400 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg400 mg

Higher than 82% of 17,831 products listing calcium (median 115 mg).

Iodineas Potassium Iodide250 mcg86%Iodine in Optimal Prenatal against 6,382 products250 mcg per serving; the middle half of products list 75 mcg to 150 mcg, the median 150 mcg.DV 150 mcgUL 1,100 mcg250 mcg

Higher than 93% of 6,382 products listing iodine (median 150 mcg).

Magnesiumas Albion Dimagnesium MalateTRAACS dimagnesium malate250 mg63%Magnesium in Optimal Prenatal against 14,003 products250 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg250 mg

Higher than 83% of 14,003 products listing magnesium (median 86 mg).

Zincas Albion Zinc Bisglycinate Chelate20 mg154%Zinc in Optimal Prenatal against 13,186 products20 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg20 mg

Higher than 79% of 13,186 products listing zinc (median 11 mg).

Seleniumas SelenoExcell High Selenium Yeast200 mcg286%Selenium in Optimal Prenatal against 7,658 products200 mcg per serving; the middle half of products list 27 mcg to 100 mcg, the median 55 mcg.DV 55 mcgUL 400 mcg200 mcg

Higher than 82% of 7,658 products listing selenium (median 55 mcg).

Copperas Albion Copper Bisglycinate Chelate0.75 mg58%Copper in Optimal Prenatal against 6,468 products0.75 mg per serving; the middle half of products list 0.5 mg to 2 mg, the median 1 mg.DV 0.9 mgUL 10 mg0.75 mg

64% of 6,468 products listing copper give more (median 1 mg).

Manganeseas Albion Manganese Bisglycinate ChelateTRAACS manganese bisglycinate chelate5 mg192%Manganese in Optimal Prenatal against 7,016 products5 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 mg

Higher than 80% of 7,016 products listing manganese (median 2 mg).

Chromiumas Albion Chromium Nicotinate Glycinate ChelateTRAACS chromium nicotinate glycinate chelate120 mcg267%Chromium in Optimal Prenatal against 7,825 products120 mcg per serving; the middle half of products list 45 mcg to 200 mcg, the median 100 mcg.DV 35 mcg120 mcg

Higher than 54% of 7,825 products listing chromium (median 100 mcg).

Molybdenumas Albion Molybdenum Glycinate ChelateTRAACS molybdenum glycinate chelate100 mcg200%Molybdenum in Optimal Prenatal against 4,390 products100 mcg per serving; the middle half of products list 25 mcg to 75 mcg, the median 50 mcg.DV 45 mcgUL 2,000 mcg100 mcg

Higher than 86% of 4,390 products listing molybdenum (median 50 mcg).

Potassiumas Potassium Glycinate ComplexTRAACS potassium glycinate complex99 mg2%Potassium in Optimal Prenatal against 11,614 products99 mg per serving; the middle half of products list 50 mg to 190 mg, the median 99 mg.DV 4,700 mg99 mg

49% of 11,614 products listing potassium give more (median 99 mg).

Betaine Hydrochloride250 mgBetaine Hydrochloride in Optimal Prenatal against 914 products250 mg per serving; the middle half of products list 25 mg to 178 mg, the median 50 mg.250 mg

Higher than 80% of 914 products listing betaine hydrochloride (median 50 mg).

Inositol150 mgInositol in Optimal Prenatal against 4,042 products150 mg per serving; the middle half of products list 10 mg to 80 mg, the median 30 mg.150 mg

Higher than 87% of 4,042 products listing inositol (median 30 mg).

Ginger Rhizome Extract100 mgGinger in Optimal Prenatal 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).

Milk Thistle Seed Extractas Silymarin80% silymarin75 mgMilk Thistle in Optimal Prenatal against 1,277 products75 mg per serving; the middle half of products list 90 mg to 300 mg, the median 175 mg.75 mg

77% of 1,277 products listing milk thistle give more (median 175 mg).

Coenzyme Q-10as Ubidecarenone50 mgCoenzyme Q-10 in Optimal Prenatal against 2,922 products50 mg per serving; the middle half of products list 30 mg to 100 mg, the median 60 mg.50 mg

53% of 2,922 products listing coenzyme Q-10 give more (median 60 mg).

Taurine50 mgTaurine in Optimal Prenatal 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).

Mixed Tocopherols45 mg
LifePQQas Pyrroloquinoline Quinone Disodium Salt10 mgPyrroloquinoline Quinone in Optimal Prenatal against 168 products10 mg per serving; the middle half of products list 10 mg to 20 mg, the median 10 mg.10 mg

46% of 168 products listing pyrroloquinoline quinone give more (median 10 mg).

Luteinas Marigold Flower Extract5 mgLutein in Optimal Prenatal against 2,493 products5 mg per serving; the middle half of products list 0.5 mg to 10 mg, the median 3 mg.5 mg

Higher than 58% of 2,493 products listing lutein (median 3 mg).

Zeaxanthinas Marigold flower extract5 mgZeaxanthin in Optimal Prenatal against 1,215 products5 mg per serving; the middle half of products list 0.4 mg to 2 mg, the median 1 mg.5 mg

Higher than 92% of 1,215 products listing zeaxanthin (median 1 mg).

Boronas Albion Bororganic GlycineTRAACS bororganic glycine1 mgBoron in Optimal Prenatal against 3,339 products1 mg per serving; the middle half of products list 0.3 mg to 2 mg, the median 1 mg.UL 20 mg1 mg

42% of 3,339 products listing boron give more (median 1 mg).

Vitamin K2as Menaquinone-7100 mcg83%*Vitamin K in Optimal Prenatal against 4,607 products100 mcg per serving; the middle half of products list 35 mcg to 100 mcg, the median 80 mcg.DV 120 mcg100 mcg

Higher than 69% of 4,607 products listing vitamin K (median 80 mcg).

* % Daily Value computed from the printed amount and the FDA Daily Value (21 CFR 101.9); the label prints none for that row.

Source: NIH ODS Dietary Supplement Label Database, label 292557 (entered July 18, 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:

  • Its 100 mcg (4,000 IU) of vitamin D is higher than 92% of the 14,175 vitamin D products that print an amount; 1,084 list more.
  • Its 150 mg of pantothenic acid (vitamin B5) is higher than 93% of the 10,060 pantothenic acid (vitamin B5) products that print an amount; 557 list more.
  • Its 250 mcg of iodine is higher than 93% of the 6,382 iodine products that print an amount; 396 list more.
  • 87% of the 2,337 products that print an amount of taurine list more than its 50 mg of taurine (median 500 mg).
  • Its 5 mg of zeaxanthin is higher than 92% of the 1,215 zeaxanthin products that print an amount; 70 list more.

The NIH database records one serving a day from the label's directions; its % Daily Values are for pregnant and lactating. 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 Optimal Prenatal'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: Take 8 capsules daily with a meal in divided doses, or use as directed by your healthcare professional. Do not take 5 hours of bedtime as it may interfere with sleep.
Warnings
Cautions: Children and pregnant or lactating women should consult their healthcare professional prior to use.
Cautions: Children and pregnant or lactating women should consult their healthcare professional prior to use. Storage: Keep closed in a cool, dry place out of reach of children.
Avoid if allergic to any ingredient.
Do not exceed 1,500 mcg RAE intake per day of preformed vitamin A (retinol or retinyl forms).
Evaluate total vitamin K intake from food and supplements if you are taking blood-thinning medications.
Do not use if tamper seal is damaged.
Allergens and what it does not contain
As with all Seeking Health prenatal vitamins, Optimal Prenatal is free from folic acid and other inferior forms of nutrients.
Does not contain: Milk, eggs, fish, shellfish, tree nuts, peanuts, wheat, soy, gluten, GMO, artificial colors, or artificial flavors.
Storage
Storage: Keep closed in a cool, dry place out of reach of children.

Source: label statements in DSLD label 292557.

What else is on the label?

Other ingredients: Hypromellose, Water, Ascorbyl Palmitate, Microcrystalline Cellulose, Silica.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Manufactured in the USA From Globally Sourced Ingredients Third-Party Independently Tested.

How many labels does Optimal Prenatal have?

4 labels are on file under this name since June 25, 2018: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 292557 (current) Entered July 18, 2023 · on the market · 240 vegetarian capsules · UPC 8 10007 52081 0
  2. Label 211037 Entered January 25, 2020 · on the market · 240 Vegetarian Capsules · UPC 7 00580 72344 2
  3. Label 206623 Entered September 24, 2019 · off the market September 21, 2016 · 240 vegetarian capsules · UPC 7 00580 72344 2
  4. Label 174736 Entered June 25, 2018 · off the market March 4, 2019 · 240 vegetarian capsules · UPC 7 00580 72344 2

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

Who makes it?

The label names Seeking Health, LLC (distributor), Bellingham, WA. All Seeking Health products.

Where next?