

🤰 Elevate your pregnancy journey with science-backed, clean prenatal power!
THORNE Basic Prenatal is a premium prenatal vitamin featuring 18 essential vitamins and minerals plus choline, formulated with bioactive 5-MTHF folate for superior absorption. Designed to support women from pre-conception through nursing, it is gentle on the stomach and free from gluten, dairy, and soy. Third-party tested for purity and trusted by healthcare professionals and elite athletes, this supplement ensures clean, effective maternal nutrition in every capsule.















| ASIN | B00O59SH3E |
| Best Sellers Rank | #557 in Health & Household ( See Top 100 in Health & Household ) #3 in Prenatal Vitamins |
| Customer Reviews | 4.3 4.3 out of 5 stars (6,292) |
| Date First Available | April 11, 2005 |
| Department | Professional Supplements |
| Is Discontinued By Manufacturer | No |
| Item model number | No Model |
| Manufacturer | Thorne Research |
| Product Dimensions | 2.5 x 2.5 x 4.47 inches; 4.66 ounces |
R**A
Best ever prenatal
I’ve been using Thorne Basic Prenatal and you can truly tell the quality. I love that it includes well-researched folate (not just standard folic acid), plus choline and 18 essential vitamins and minerals to support pregnancy and breastfeeding. It’s also gluten-, dairy-, and soy-free, which gives me extra peace of mind. I definitely recommend it if you’re looking for a clean, research-backed prenatal with highly absorbable ingredients.
M**.
Smells
I wanted to like this vitamin but I've taken them two days in a row and vomited shortly after. I can't bear the smell of the vitamins even before the bottle gets opened. I'm disappointed as I spent money on these vitamins and can't even finish them. Update: I'm adjusting my rating for the excellent customer service and quick response. I am willing to try different products from their line when I am no longer pregnant. 5/26/25 postpartum update: I decided to give the prenatal vitamin another chance because I really like the ingredients and that this brand does 3rd party testing. I'm able to better tolerate the smell. I do notice my milk supply increases when I take the vitamin and my milk is lower in supply when I forget to take it, not sure if it's a coincidence or if it actually helps boost supply. I am happy with the vitamin and will continue to use Thorne!
A**R
High-quality prenatal vitamins that really make a difference
I’ve been taking Thorne Prenatal Vitamins for several months now, and I’m really happy with them. These pills are easy on my stomach (no nausea or discomfort), and I feel confident knowing they use clean, well-absorbed ingredients without unnecessary fillers. No nasty taste or acid reflux with these. I still take them postpartum
A**N
High quality- definitely recommend
I don’t love that you have to take three of them but it’s really not a big issue- they’re easy to swallow. I take them with the prenatal DHA and those are also easy to swallow. I take the pills with food and I don’t notice any stomach upset or any other issues when taking them. I really appreciate that the company uses the types of folate, iron, and B12 that they do. I recommend reading about them and why they are superior. Very thankful to have access to these.
D**H
Good quality but make me sick
The prenatal vitamins have a very good ingredient list, but unfortunately they made me feel very nauseous. It might be individual sensitivity, or possibly because the doses of the vitamins are quite high
A**N
Prenatal
I got these for the ingredients. I did get sick at first taking them in the morning on an empty stomach. I changed taking them on a full stomach before bed and haven’t had issues since. They do have an odd metallic smell to them. Overall great product if your stomach can tolerate it.
P**Z
Easy to Take, No Taste or Smell
I just started taking this prenatal and haven’t noticed any smell or unpleasant taste, which is a big plus. I take it with breakfast as recommended (not on an empty stomach), and it’s been easy on my stomach so far. High-quality ingredients and a well-researched formula—very happy with this product.
T**A
Decent Product - Not For Everyone
Was taking this for a couple months before conceiving and then during the pregnancy before it was lost. I do think it is a good quality prenatal that gave me extra energy which was very much appreciated, but I did some more research and decided to go with a different option that fit my needs better- you can find that information below. I did notice some stomach upset at the beginning, but it went away after a few days. The main reason I ended up getting off of it, was due to wicked constipation. Could this have been due to the pregnancy itself? Possibly. I stopped taking this around the time I miscarried and switched to another option out there. The main reason I give it so many stars was because of the energy it gave me, but that's ultimately why I decided to switch because there is conflicting information on the internet regarding the high dose of vitamin B in here. I'll just stress that everyone needs to do their own research and it's not the best choice for everyone.
T**T
Honestly. Surprisingly wonderful quality and great size!
A**ー
The product is fine but don't bother ordering from iherb. They will cancel your order and only inform you of this 4-5 days later. It's better to order from another vendor.
A**S
Good choice
A**R
Excellent vitamins
D**A
Must be taken on a full stomach.
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