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Best Simple Folic Acid
Solgar

Solgar Folic Acid 400 mcg Review

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.

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▸ THE SCORE

How we built the SAC Product Score™7.7/10

NTD-Prevention Evidence30%8.5/10

Folic acid is the NTD-proven form; the 400 mcg dose is exactly what the CDC and USPSTF recommend.

Form & Bioavailability20%7.5/10

Standard, well-absorbed synthetic folic acid with a clean excipient profile suited to sensitive users.

Dose Appropriateness20%8/10

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

Third-Party Testing20%6.5/10

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

Value10%7.5/10

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

▸ SPECS

The product at a glance

Form
Folic acid tablet
Dose
400 mcg folic acid
Count
250 tablets
Testing / Certification
Non-GMO, Vegan, Kosher, Gluten Free
Cost per dose
~$0.04 per tablet
▸ 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

01Exactly 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.

02Brand 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.

▸ THE TRADE-OFFS

Pros & cons, no sugar-coating

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
▸ 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

If this doesn’t fit — try these

▸ RESEARCH

Sources & further reading

  1. US Preventive Services Task Force. Folic Acid Supplementation for the Prevention of Neural Tube Defects. JAMA. 2017;317(2):183-189.US Preventive Services Task Force · 2017 · JAMA · 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. 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.Czeizel AE, Dudás I · 1992 · New England Journal of Medicine · 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.