Reviewed
Verified by SAC team
+20
XP on completion
Best Overall for Liver/Methylation
Pure Encapsulations

Pure Encapsulations Choline (Bitartrate) 275mg Review

Pure Encapsulations takes the top spot because it does the boring things right: a hypoallergenic, third-party-tested bitartrate with the elemental choline stated plainly on the label. Choline is a genuine essential nutrient and a methyl donor, and frank deficiency causes hepatic steatosis. That is exactly why we ranked a straightforward, verifiable bitartrate first. What it is not is a treatment for established NAFLD in someone who is already replete, and we say so throughout.

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▸ THE SCORE

How we built the SAC Product Score™8.4/10

Form & bioavailability (liver/methylation fit)30%8.5/10

Choline bitartrate is a direct, well-absorbed choline salt that feeds the phosphatidylcholine and betaine (methylation) pathways central to liver fat export. It is the most on-target common form for the liver angle, even if less potent per mg than Alpha-GPC.

Dose vs RDA/clinical range20%7.5/10

275mg elemental choline is honestly labeled and covers about half the 425-550mg Adequate Intake in one cap. Reasonable, but you may need two caps to approach RDA from supplements alone.

Third-party testing & purity20%9/10

Pure Encapsulations is a clinician-facing line with hypoallergenic, third-party-tested formulas and no unnecessary excipients. Purity is its core selling point and it delivers.

Tolerability & safety15%9/10

Bitartrate at this modest dose rarely causes the fishy body odor or GI upset seen at gram-plus doses. Well below the 3.5g/day tolerable upper limit.

Value15%8/10

Around $26 for 100 caps is mid-premium. You pay for the brand's testing rigor, not the raw choline, which is cheap. Fair for a clinician-line product.

▸ SPECS

The product at a glance

Form
Capsule (choline bitartrate)
Dose
275mg elemental choline per capsule
Count
100 capsules
Standardization
Elemental choline stated on label
Testing
Third-party tested, hypoallergenic, Non-GMO, vegan
Cost per dose
~$0.26 per 275mg capsule (approx, not live-checked)
▸ TRUTH CHECK

Marketing claims vs. reality

Partial

Supports liver health and methylation

Choline is required to export fat from the liver as VLDL phosphatidylcholine, and it donates methyl groups via betaine. Deficiency reversibly causes steatosis (PMID 7768984). But supplementing a replete person is not a demonstrated NAFLD treatment (PMID 22337211).

Verified

Hypoallergenic and third-party tested for purity

Pure Encapsulations' clinician line is documented as hypoallergenic and third-party tested; the label states elemental choline rather than raw bitartrate weight, matching the sourcing file.

▸ THE DEEP DIVE

What our test actually found

01Deficiency, not supplementation, is the proven liver story

The strongest human liver data come from choline-deficient states (parenteral nutrition, controlled depletion), where fatty liver appears and reverses with choline (PMID 7768984). That justifies correcting a gap, not dosing an already-adequate person for NAFLD.

02Label honesty is the differentiator

Many bitartrate labels print the 500mg salt weight, hiding that only ~40% is choline. Pure Encapsulations states 275mg elemental choline directly, so you actually know what you are taking.

▸ THE TRADE-OFFS

Pros & cons, no sugar-coating

Pros
  • Elemental choline stated on the label, no salt-weight inflation
  • Clinician-line purity: hypoallergenic, third-party tested, minimal excipients
  • Bitartrate is the most on-target common form for the liver/methylation pathway
  • Gentle at this dose; well under the tolerable upper intake
Cons
  • Costs more per gram of choline than commodity bitartrate brands
  • One cap only covers ~half the RDA; heavy dietary gaps may need two
  • Not a treatment for established fatty liver in replete individuals
▸ THE BOTTOM LINE

The honest #1: purity over hype

We rank it first because it is the most verifiable, best-labeled way to close a choline gap and support methylation. Buy it to reach adequate intake, not to 'cure' a fatty liver. If you specifically want a liver-phospholipid form, see the Thorne pick.

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▸ ALTERNATIVES

If this doesn’t fit — try these

▸ RESEARCH

Sources & further reading

  1. Buchman AL, et al. Hepatology. 1995;22(5):1399-1403.Buchman AL, Dubin MD, Moukarzel AA, et al. · 1995 · Hepatology · PMID 7590654

    Choline deficiency: a cause of hepatic steatosis during parenteral nutrition that can be reversed with intravenous choline supplementation

    Choline-deficient patients on parenteral nutrition developed hepatic steatosis that reversed with choline repletion, establishing deficiency as a reversible cause of fatty liver.

  2. Corbin KD, Zeisel SH. Curr Opin Gastroenterol. 2012;28(2):159-165.Corbin KD, Zeisel SH · 2012 · Current Opinion in Gastroenterology · PMID 22134222

    Choline metabolism provides novel insights into nonalcoholic fatty liver disease and its progression

    Choline metabolism is mechanistically linked to NAFLD, but individual requirements vary and supplementation benefit is not established for replete individuals.