Solgar Folic Acid 400 mcg Review

Updated Jul 6, 2026By Felix Hesse5 criteria scored2 peer-reviewed sourcesAffiliate links

Solgar Folic Acid 400 mcg — product#3 of 9 · Best Simple Folic Acid✓ Label verified · Supplement Facts read Sep 7, 2026

Real retailer photo, cut out. Label unedited.

Our Verdict

Buy it. The clean, trusted folic acid option. Proven form, exact 400 mcg dose, respected brand, minimal fillers.

Trial-proven folic acid at 400 mcgClean, minimal-filler formulationNo independent USP/NSF testing seal
7.7SAC Product Score™
StrongestForm & Evidence Base8.12
WeakestThird-Party Testing & Purity6.5
Where It Stands Among The 9 Ranked Folate Supplements
#3 · 7.7

$11 approx~$0.04 / tablet

Score × Label

Why It Scores 7.7 — And The Label Line Behind Each Number

Form & Evidence Base

30% of score
8.12

Folic acid is the NTD-proven form; the 400 mcg dose is exactly what the CDC and USPSTF recommend. Standard, well-absorbed synthetic folic acid.

Form
Folic acid tablet

Dose vs Clinical Target

25% of score
8.01

400 mcg hits the prenatal minimum precisely — the dose most women should target.

Dose
400 mcg folic acid

Third-Party Testing & Purity

20% of score
6.5

Non-GMO, vegan and kosher certifications, but no independent USP/NSF potency audit.

Testing / Certification
Non-GMO, Vegan, Kosher, Gluten Free

Tolerability & Safety

15% of score
8.02

Clean, minimal-filler formulation from a trusted brand, with an excipient profile suited to sensitive users; vegan, non-GMO, kosher and gluten-free.

Value

10% of score
7.53

Around $11 for 250 tablets — reasonable, though NOW and Nature Made edge it on price-per-dose.

Count
250 tablets
Cost per dose
~$0.04 per tablet

Label verified. Every figure read from the Supplement Facts photo, Sep 7, 2026.

Truth Check

Marketing Claims Vs. Reality

Verified
400 mcg folic acid meets the prenatal recommendation

The CDC and USPSTF (PMID 28097362) recommend 400 mcg folic acid daily for anyone who could become pregnant; this product delivers exactly that.

Not verified
Solgar's clean formulation is better absorbed

A cleaner excipient list benefits sensitive users but there is no evidence it improves folic acid absorption over other well-formulated tablets.

The Deep Dive

What Our Test Actually Found

01

Exactly the right dose, no more

Unlike the 800 mcg and 1,000 mcg options, this sticks to the 400 mcg minimum — appropriate for the average woman and avoiding unnecessary excess.

02

Brand premium buys reputation, not extra evidence

Solgar's heritage and clean-label reputation are real, but the folic acid inside is chemically identical to cheaper tablets. You pay a little more for the brand, not for better protection.

Full analysis: all pros & cons (7), buy if / skip if
Pros
  • Trial-proven folic acid at the exact 400 mcg target
  • Clean, minimal-filler formulation from a trusted brand
  • Vegan, non-GMO, kosher and gluten-free
  • Large 250-count bottle
  • Straightforward single-ingredient design
Cons
  • No independent USP/NSF testing seal
  • Slightly pricier per dose than NOW or Nature Made
Buy If
  • Trial-proven folic acid at the exact 400 mcg target
  • Clean, minimal-filler formulation from a trusted brand
  • Vegan, non-GMO, kosher and gluten-free
Skip If
  • No independent USP/NSF testing seal
  • Slightly pricier per dose than NOW or Nature Made

Proven form, exact 400 mcg dose, respected brand, minimal fillers. Slightly pricier than NOW and without an independent testing seal, but a dependable evidence-based pick.

Solgar's folic acid tablet is the no-frills execution of the correct answer: 400 mcg of the trial-proven form, vegan, non-GMO, kosher and gluten-free, from a brand with a long reputation for clean formulations. It matches the evidence and the dose target exactly. It sits a notch below our top two only on testing transparency and price — Solgar commands a small brand premium and does not carry a USP seal — but if you value a trusted label and a tidy ingredient list, this is a solid, honest choice.

The Bottom Line

A dependable clean-label choice

If you already trust Solgar or want the tidiest possible ingredient list, this delivers the proven form at the right dose. It ranks third only because it lacks the independent testing of our top pick and the value edge of our #2 — not because of any weakness in the folate itself.

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Alternatives

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Frequently Asked

Quick Answers

Is Solgar worth the extra cost over generic folic acid?

Only if you value the brand and clean-label formulation. The folic acid itself is identical to cheaper tablets, so the premium buys reputation and excipient quality, not better NTD protection.

Does this cover my whole prenatal needs?

No. It is folate only. You still need iron, iodine, B12 and other prenatal nutrients from a multivitamin or diet.

Research

Sources & Further Reading

2 peer-reviewed sources, each linked to PubMed
  1. [1] US Preventive Services Task Force. Folic Acid Supplementation for the Prevention of Neural Tube Defects. JAMA. 2017;317(2):183-189. PMID 28097362 — Folic Acid Supplementation for the Prevention of Neural Tube Defects. Recommends 400–800 mcg folic acid daily; 400 mcg is the standard minimum.
  2. [2] Czeizel AE, Dudás I. Prevention of the first occurrence of neural-tube defects by periconceptional vitamin supplementation. N Engl J Med. 1992;327(26):1832-5. PMID 1307234 — Prevention of the first occurrence of neural-tube defects by periconceptional vitamin supplementation. Periconceptional folic acid supplementation prevented first-occurrence neural-tube defects.

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#3 of 9 · Best Simple Folic AcidSolgar Folic Acid 400 mcg7.7Check price