The short answer · Folate status
Take calcium l-methylfolate for folate status. This is the one to buy.

California Gold Nutrition, Methyl Folate and Vitamin C, 120 Veggie Capsules
4.8· 4,875 ratings· $0.07/serving
Calcium L-Methylfolate 1360 mcg — higher than the studied 400-1000 mcg window
Of 2,766 products scored for Folate status, California Gold Nutrition, Methyl Folate and Vitamin C, 120 Veggie Capsules ranks #1 with a DoseRank score of 88. Calcium L-Methylfolate is the strongest evidence signal for this outcome.
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The form“Why Calcium L-Methylfolate — not L-Methylfolate or Folic Acid?”Evidence Strong evidence
Calcium L-Methylfolate is the strongest evidence signal for this outcome.
- Calcium L-MethylfolateThe pick
Strong evidence · 1360 mcg
A calcium salt of active 5-MTHF; delivers ready-to-use folate without the enzymatic conversion folic acid requires, useful for those with MTHFR variants.
- L-Methylfolate
Strong evidence · 400 mcg
The bioactive, methylated form of folate (5-MTHF) that bypasses the MTHFR conversion step; useful for those with MTHFR variants who convert folic acid poorly.
- Folic Acid
Strong evidence · 400 mcg
Synthetic, oxidized form of folate (vitamin B9); must be converted to 5-MTHF, a step impaired by MTHFR variants — methylfolate is preferred when conversion is a concern.
The dose“Is the dose actually effective?”Dose fit 91
Calcium L-Methylfolate at 1360 mcg is higher than the studied 400-1000 mcg window.
Calcium L-Methylfolate
Studied window 400-1000 mcg · this pick 1360 mcg
The ranking“Why should I trust this pick?”Trust 95
Strong trust signals — consistently high marks from verified buyer ratings. Each product gets a DoseRank score blending clinical strength, evidence, dose fit, trust and value. Retailer links may be affiliate links — the scoring model decides placement, never payment from a brand.
- 2,766 products scored
- Never paid placement
- Evidence level: Strong · 92
- 298 brands
- 8 ingredients
The price“Can I do better than $0.07 a serving?”Value 88
$0.07 per serving — low price tier for this outcome. Nothing else in this ranking costs less per serving.
Ready?
The #1 pick is $0.07 a serving.California Gold Nutrition, Methyl Folate and Vitamin C, 120 Veggie Capsules — in stock at a tracked retailer.
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California Gold Nutrition, Methyl Folate and Vitamin C, 120 Veggie Capsules ranks #1 for Folate status with a DoseRank score of 88. The score blends clinical strength, evidence, dose fit, trust signals and value across 2,766 products scored for this outcome.