Optimal Prenatal Chewable - 60 Tablets

Rated 4.7 out of 5
Based on 134 reviews
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Key Benefits and Actions*

  • Support healthy methylation processes*
  • Includes active B6 and milk thistle extract to support digestive comfort*
  • Includes active folates to help support healthy fetal development*
  • Sustain immune health*


Optimal Prenatal Chewable offers a specialized prenatal formula designed to help meet the high nutritional needs of women who are pregnant or preparing for pregnancy – or anyone looking for a well-rounded multivitamin in an easy chewable format. This formula contains both folinic acid and L-5-MTHF, the most biologically available forms of folate, which are essential during pregnancy to support healthy brain development. L-5-MTHF works in conjunction with chelated minerals and coenzyme forms of B vitamins to support cardiovascular, neurologic, and immune health and normal cell growth. This formula is iron-free for maximal versatility.

Optimal Prenatal Chewable also contains two active coenzyme forms of vitamin B12: methylcobalamin and adenosylcobalamin, which may help support healthy fetal development, energy metabolism and methylation. The well-balanced vitamin B complex is complete with active forms of riboflavin and B6 to support healthy growth and development.*

Vitamin A is included in two forms: beta-carotene and retinyl palmitate, to help support those who have trouble converting “provitamin A” compounds (such as beta-carotene) into the active retinyl/retinol forms. Vitamin C and coenzyme Q10 provide antioxidant support, supporting a healthy immune system and cellular integrity. Trace minerals are included in their chelated forms, as amino acid-chelated minerals are typically well-absorbed and may be more easily tolerated than alternative supplemental forms. Betaine Anhydrous (TMG) is also added for additional methylation support.*

For the comprehensive prenatal nutrient support with additional herbs and amino acids, consider our Optimal Prenatal Capsules or our great-tasting Optimal Prenatal Protein Powder – available in creamy vanilla or chocolate.


Suitable for Vegetarians

Free of:

Milk, Egg, Fish, Shellfish, Tree Nuts, Peanuts, Wheat, Artificial Colors, Artificial Flavors

Suggested Use

Chew 2 tablets daily after breakfast or lunch and follow with a glass of water, or use as directed by your healthcare professional. Do not take within 5 hours of bedtime as it may interfere with sleep.


Children and pregnant or lactating women should consult their healthcare practitioner prior to use. Do not use if tamper seal is damaged. Consult with your healthcare practitioner before use. Keep out of reach of children. Avoid if allergic to any ingredient. Do not exceed 1500 mcg 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. Consult a healthcare professional prior to use if you are taking any medications or if you are undergoing treatment for any medical condition.

Serving Size: 2 Chewable Tablets
Servings Per Container: 30

Vitamin A (beta-carotene and retinyl palmitate) 1,500 mcg RAE 115%
Vitamin C (ascorbic acid) 350 mg 292%
Vitamin D3 (cholecalciferol) 25 mcg (1,000 IU) 167%
Vitamin E (as d-alpha tocopheryl succinate) 67 mg 353%
Vitamin K2 (as menaquinone-7) 80 mcg 89%
Thiamin (as thiamine hydrochloride) 4 mg 286%
Riboflavin (as riboflavin 5’-phosphate sodium) 4 mg 250%
Niacin (as niacinamide) 25 mg 139%
Vitamin B6 (as pyridoxal 5’-phosphate) 5 mg 250%
Folate [as Quatrefolic® (6S)-5-methyltetrahydrofolate, glucosamine salt and calcium folinate] 1,360 mcg DFE (800 mcg) 227%
Vitamin B12 (as methylcobalamin and adenosylcobalamin) 100 mcg 3,571%
Biotin 500 mcg 1,429%
Pantothenic Acid (as d-calcium pantothenate) 25 mg 357%
Calcium (as Dicalcium Malate§) 100 mg 8%
Iodine [from potassium iodide and organic Icelandic kelp (Laminaria digitata)(stem and leaf)] 150 mcg 52%
Magnesium (as DiMagnesium Malate§) 100 mg 25%
Zinc (as Zinc Bisglycinate Chelate§) 7 mg 54%
Selenium (as SelenoExcell® High Selenium Yeast) 70 mcg 100%
Copper (as copper gluconate) 0.5 mg 38%
Manganese (as Manganese Bisglycinate Chelate§) 2 mg 77%
Chromium (as Chromium Nicotinate Glycinate Chelate§) 120 mcg 267%
Molybdenum (as Molybdenum Glycinate Chelate§) 75 mcg 150%
Betaine Anhydrous (trimethylglycine) 150 mg **
Marigold extract (Tagetes erecta)(flowers) 97 mg **
Milk Thistle Extract (Silybum marianum)(seeds) 75 mg **
Coenzyme Q10 50 mg **
Boron (as Bororganic Glycine§) 1 mg **
**Daily Value (DV) not established.

Other Ingredients: Xylitol, microcrystalline cellulose, stearic acid, natural flavors, malic acid, silica, monk fruit extract, magnesium stearate, and licorice root powder (Glycyrrhiza glabra).
§DimaCal®, Albion®, and TRAACS® are registered trademarks of Albion Laboratories, Inc.

1. Who is Optimal Prenatal Chewable intended for?

Optimal Prenatal Chewables are a comprehensive prenatal multivitamin intended for women of reproductive age who wish to promote health by supporting adequate daily intake of nutrients. This product is beneficial for supporting preconception health, prenatal health, and postpartum health.*

Pregnant women have higher nutritional demands due to the rapid growth and development of the fetus. Taking a daily prenatal vitamin can help to support good health by supplying micronutrients.

Always talk to your doctor before considering the use of this product, especially if you have health conditions or diseases that need to be addressed or are pregnant or breastfeeding.

2. How do I take Optimal Prenatal Chewable?

As a dietary supplement, adults chew 2 tablets daily after breakfast or lunch, or as directed by your healthcare practitioner. Follow with a glass of water.

Avoid taking within 5 hours of bedtime as it may interfere with sleep.

3. What is the reasoning for each ingredient in Optimal Prenatal Chewable?

Vitamin A, Vitamin C, Vitamin D3, Vitamin E, Vitamin K2, Thiamin, Riboflavin, Niacin, Vitamin B6, Biotin, Folate, Vitamin B12, Pantothenic Acid, Calcium, Iodine, Magnesium, Zinc, Selenium, Copper, Manganese, Molybdenum Daily nutrients needed to support good health(1)*
Chromium Supports normal metabolism of macronutrients in the body.*
Betaine anhydrous Supports natural digestive function.(2)*
Coenzyme Q10 Supports cellular energy.(3)*
Milk thistle extract Supports liver health.(4)*
Boron Improves use of calcium and magnesium.(5)*
Vanadium Supports healthy glucose metabolism.(6)*
Lutein Provides antioxidant support and supports healthy fetal development.(7)*
Zeaxanthin Supports healthy fetal development.(8)*

Other ingredients found in Optimal Prenatal Capsules include:

  • Xylitol: Sweetener.
  • Microcrystalline cellulose: Anticaking agent.
  • Stearic acid: Lubricant.
  • Natural flavors: Flavor enhancer.
  • Malic acid: Supports mineral absorption.
  • Silica: Anti-clumping agent.
  • Monk fruit extract: Sweetener.
  • Magnesium stearate: Lubricant.
  • Licorice root powder: Supports healthy digestion.

(1) https://ods.od.nih.gov/Health_Information/Dietary_Reference_Intakes.aspx

(2) https://naturalmedicines.therapeuticresearch.com/databases/food,-herbs-supplements/professional.aspx?productid=312

(3) https://examine.com/supplements/coenzyme-q10/

(4) https://examine.com/supplements/milk-thistle/

(5) https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4712861/

(6) https://examine.com/supplements/vanadium/

(7) https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5579631/

(8) https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5579631/

4. What are the ingredients in Optimal Prenatal Chewable derived from?

The ingredients in Optimal Prenatal Chewables are sourced as follows:

  • Vitamin A (as beta carotene) is from the plant fungus Blakeslea trispora.
  • Vitamin C is from corn.
  • Vitamin D is from sheep’s wool.
  • Vitamin E is from soy.
  • Vitamin K is from natto (fermented soy).
  • Vitamin A (as retinyl palmitate), thiamin, riboflavin, niacin, vitamin B6, folate, vitamin B12, biotin, pantothenic acid, calcium, iodine, magnesium, zinc, selenium, copper, manganese, chromium, betaine anhydrous, boron, vanadium, and molybdenum are synthetic.
  • Milk thistle extract is from the seeds of milk thistle, Silybum marianum.
  • Coenzyme Q10 is from fermentation.
  • Lutein and zeaxanthin are from marigold extract, Tagetes erecta.

5. Does Optimal Prenatal Chewable contain gluten, soy, or grains?

Optimal Prenatal Chewables do not contain any gluten or gluten-containing ingredients. However, the final product has not yet been tested for gluten content, so it cannot be labeled “gluten-free.” We are working on conducting allergen testing on all products in the Seeking Health line. The vitamin E is derived from soy. If you are allergic or sensitive to soy, consult your allergist and/or healthcare practitioner prior to use. This product does not contain any corn or grain, but the vitamin C is derived from corn. Though our products have not been tested specifically for corn allergens, they are formulated to be free from corn proteins and common allergens.

6. Is Optimal Prenatal Chewable free from GMOs?

Optimal Prenatal Chewable does not contain GMO markers, but testing has not been done to verify whether the ingredients are derived from GMO sources. We are currently working on conducting complete product testing to verify that the finished product is GMO-free.

7. Is Optimal Prenatal Chewable vegetarian/vegan?

Optimal Prenatal Capsules are vegetarian. The vitamin D3 is derived from lanolin from sheep’s wool, so this product is not vegan.

8. What are the possible interactions or side effects of using Optimal Prenatal Chewable?

Side effects of this formula may include, but are not limited to:

  • Anxiety
  • Restlessness
  • Flushed skin
  • Mild rash
  • Itchy skin
  • Feeling warm
  • Nausea
  • Leg cramps
  • Metallic taste in mouth
  • Muscle pain
  • Upset stomach
  • Belching
  • Gas
  • Diarrhea
  • Mild dizziness

These side-effects are more likely if the recommended dosage is exceeded.

If you have bipolar disorder, diabetes, bleeding problems, kidney or liver problems, or if you smoke tobacco, consult your healthcare professional before considering the use of Optimal Prenatal Capsules. If you take any medications or are undergoing treatment for any medical condition, consult with your doctor before starting Optimal Prenatal Capsules.

Pregnant and lactating women should consult their healthcare practitioner prior to use. Avoid if allergic to any ingredient. Do not exceed 3,000 mcg RAE daily of preformed vitamin A. Evaluate total vitamin K intake from food and supplements if you are taking blood-thinning medications.

When taking higher doses of nutrients like B12 or folate, monitor blood levels and use under the supervision of a qualified physician.

If you believe that you are experiencing any adverse reactions, please see your healthcare professional immediately and discontinue use. Each individual may react differently to any product or supplement. We always recommend that you consult with your healthcare professional prior to considering the use of Optimal Prenatal Chewable or any supplement, especially when pregnant or breastfeeding.

How do I know which Seeking Health Prenatal is right for me?

Consult this helpful chart for a side-by-side comparison of our prenatal formulations, to aid you in selecting the best one that is suitable for your needs.*

Learning Center Find product FAQ and more! Click here.
Cost Per Serving $1.33
Delivery Method Chewable Tablet
Tablet Size 3/4"
Storage Keep tightly closed in a cool, dry place out of reach of children.
Age Suitability Adult
Manufactured In USA
Case Quantity 24
Dimensions (in.) Length: 2.5 / Width: 2.5 / Height: 5
Weight (lb.) 0.4000
Barcode 810007520834
Return Policy Learn more about our Return Policy.

We are not able to publish reviews that reflect atypical results or suggest that any product can diagnose, treat, cure, or prevent any disease, disorder, or chronic health condition. Please be mindful of these restrictions as you leave your review and thank you for all your feedback!

average rating 4.7 out of 5
Based on 134 reviews
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96% of reviewers would recommend this product to a friend
134 Reviews
Reviewed by MR, from United States
Verified Buyer
I recommend this product
Rated 4 out of 5
Review posted

These are great, but never in stock

Look, I love these vitamins. I can't handle the giant pills while pregnant and these were recommended by my naturopath as the most complete chewables. HOWEVER, I signed up for the monthly subscription and it's been out of stock for the past two months. It's such a hassle to worry about when I'm going to be able to get my vitamins, find a replacement. The point of the subscription is to be able to count on getting these, not panic at the end of the month when I realize they're not coming and frantically search for a replacement.

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Reviewed by Dominique, from United States
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted

Perfect for Nausea Stages

I ordered this prenatal after another brand pill form wasn’t cutting it because I kept vomiting them up. I discovered seeking health chewable they have a great flavor and easy to chew when you’re in those moments of nausea and vomiting and gagging stages of pregnancy. I ended up using them even when I wasn’t feeling this way because they are so easy to use👍

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Reviewed by Alyssa W., from United States
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted

Great option!

Thankful for the chewable prenatal option. My go to is the prenatal protein but I use this when the protein is out of stock. Taste is alright and what I expected, but I follow the tablets with juice or something else, and that helps. (Someone else said they taste like a pixi stick but I disagree, haha). There is a little bit less of some of the vitamin amounts in these compared to their other prenatal products, but I still feel like they are a good choice for us who hate swallowing pills whole but want a quality brand, and I try to get most vitamins from food sources, so it’s not a concern to me. Overall I recommend this product!

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Reviewed by Michelle A., from United States
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted

Great for first trimester mamas

I bought this chewable since I couldn’t bear the thought of swallowing 8 pills during the first trimester. I have tolerated it really well and so appreciate the good nutrition in just 2 pills. (But I do supplement with an additional chewable vitamin D.) The taste isn’t bad, it reminds me of the kids flintstones vitamins.

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Reviewed by Maegan K., from United States
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted

Yummy prenatal chewable tablets!

I feel good knowing that these have all of the nutrients needed and I like the yummy taste! I would recommend these to anyone! Customer service was very helpful on any questions I had too.

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