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Choline/Inositol 500 mg/500 mg

Solgar
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(4582 ratings)
Choline 500 mg
Product Image
Score82
Choline supports hepatic fat transport, while inositol adds complementary phospholipid and metabolic support. The amount is useful, but the bitartrate form is less brain-targeted than some alternatives.
How scoring works
Quantity:100 Capsule(s) • (50 servings)
Goals:
Detoxification
Cognitive Support
Mental Focus

Score 82

Choline supports hepatic fat transport, while inositol adds complementary phospholipid and metabolic support. The amount is useful, but the bitartrate form is less brain-targeted than some alternatives.
How scoring works
$13.74($0.27 per serving)
iHerb
$ 13.74
Amazon
$ 13.74
Pure Formulas
$ 14.54
Daily Vita
$ 16.00
Vitacost
$ 14.69
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Analysis

Choline supports hepatic fat transport, while inositol adds complementary phospholipid and metabolic support. Both are supplied at meaningful and fully disclosed amounts, though their effect on toxin clearance is indirect.

Choline bitartrate at 500 mg provides meaningful choline support. The amount is useful, but the bitartrate form is less brain-targeted than some alternatives.

Choline may support acetylcholine production, while inositol has little direct evidence for improving everyday focus. The formula offers foundational support rather than an acute attention effect.

Who is it for
  • Adults seeking Detoxification support
  • People comfortable with a focused capsule formula
  • Users who can review the ingredient list against medicines and existing supplements
Best for
  • Detoxification
  • Cognitive Support
  • Mental Focus

Pros

  • Choline supports hepatic fat transport, while inositol adds complementary phospholipid and metabolic support
  • Strongest formulation fit is Detoxification
  • Main label amounts are disclosed for Choline, Inositol
  • Choline amount and form can be assessed from the supplied label

Cons

  • useful, but the bitartrate form is less brain-targeted than some alternatives
  • Weak fit for Mental Focus
  • Several secondary ingredients add breadth without equally strong dose or form support

Nutrient quality

85 Highest impact

The choline bitartrate amount is meaningful for systemic support. The form is less suited to focused cognitive use, while the compact formula avoids major dose concerns.

Ingredient transparency

84 Highest impact

Active amounts are clearly stated and no proprietary blend is shown. Full use directions and non-active ingredients are not supplied.

Customer satisfaction

70 High impact

The supplied average rating is strong and the review base is large. No review text is available to assess recurring complaints or experiences tied to the intended use.

Value for money

85 Highest impact

The robust dose and straightforward formula support good quality value. The low serving cost makes it competitive for systemic choline use.

Report analysis

Goals

Detoxification
Impact
High effect
C- Goal FitB Strength of SupportD+ CoverageA- Formula Quality
Choline · 500 mg

Choline supports hepatic fat transport, while inositol adds complementary phospholipid and metabolic support. Both are supplied at meaningful and fully disclosed amounts, though their effect on toxin clearance is indirect.

The formula has useful depth for liver lipid handling but does not address conjugation, antioxidant recycling, or biliary excretion. Its concise pairing is coherent for foundational liver support.

Study evidence
Choline Supportive 6 studies
Cognitive Support
Impact
High effect
C Goal FitB- Strength of SupportD+ CoverageA- Formula Quality
Choline · 500 mg

Choline supports acetylcholine production, while inositol participates in neuronal signaling. The pairing is relevant to brain chemistry but does not have the targeted delivery or clinical support of stronger memory-focused forms.

Both amounts are clearly disclosed and provide reasonable depth in related nutrient pathways. Circulation, stress resilience, membrane lipids, and neuro-regenerative mechanisms remain unaddressed.

Study evidence
Choline Supportive 76 studies
Mental Focus
Impact
Moderate effect
C Goal FitB- Strength of SupportD CoverageB Formula Quality
Choline · 500 mg

Choline may support acetylcholine production, while inositol has little direct evidence for improving everyday focus. The formula offers foundational support rather than an acute attention effect.

The choline amount is substantial and clearly disclosed, but bitartrate is not a brain-targeted form. Inositol broadens the formula without establishing another strong focus pathway.

Study evidence
Choline Supportive 22 studies

Ingredients

IngredientAmount per serving
Choline (Choline Bitartrate)
500 mg
Inositol
500 mg
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Sugar Free Halal Vegetarian
Report overview
B Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyB Value

Choline bitartrate favors general systemic and liver support over rapid cognitive effects. The elemental amount is substantial enough for meaningful daily support. The serving size is practical for daily use.

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Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Neurocognitive effects of acute choline supplementation in low, medium and high performer healthy volunteers.
    Knott V; de la Salle S; Choueiry J; Impey D; Smith D; Smith M; Beaudry E; Saghir S; Ilivitsky V; Labelle A · Pharmacology, biochemistry, and behavior · 2016
    Randomized trial24 participantsMental Focus forCholine
  2. Cytidinediphosphocholine (CDP-choline) for cognitive and behavioural disturbances associated with chronic cerebral disorders in the elderly.
    Fioravanti M; Yanagi M · The Cochrane database of systematic reviews · 2005
    Meta-analysis14 studies pooledMental Focus forCholine
  3. Plasma 1-carbon metabolites and academic achievement in 15-yr-old adolescents.
    Nilsson TK; Hurtig-Wennlöf A; Sjöström M; Herrmann W; Obeid R; Owen JR; Zeisel S · FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2016
    Cross-sectional study324 participantsMental Focus forCholine
  4. The relation of dietary choline to cognitive performance and white-matter hyperintensity in the Framingham Offspring Cohort.
    Poly C; Massaro JM; Seshadri S; Wolf PA; Cho E; Krall E; Jacques PF; Au R · The American journal of clinical nutrition · 2012
    Cohort study1,391 participantsMental Focus forCholine
  5. Association between Maternal Choline, Fetal Brain Development, and Child Neurocognition: Systematic Review and Meta-Analysis of Human Studies.
    Obeid R; Derbyshire E; Schön C · Advances in nutrition (Bethesda, Md.) · 2022
    Meta-analysis30 studies pooledMental Focus forCholine
  6. Association of dietary choline intake with incidence of dementia, Alzheimer disease, and mild cognitive impairment: a large population-based prospective cohort study.
    Niu YY; Yan HY; Zhong JF; Diao ZQ; Li J; Li CP; Chen LH; Huang WQ; Xu M; Xu ZT; Liang XF; Li ZH; Liu D · The American journal of clinical nutrition · 2025
    Cohort study125,594 participantsCognitive Support forCholine
  7. Effects of choline alfoscerate on cognitive function and quality of life in type 2 diabetes: A double-blind, randomized, placebo-controlled trial.
    Sohn M; Park YH; Lim S · Diabetes, obesity & metabolism · 2025
    Randomized trial36 participantsCognitive Support forCholine
  8. Association of trimethylamine oxide and its precursors with cognitive impairment: a systematic review and meta-analysis.
    Long C; Li Z; Feng H; Jiang Y; Pu Y; Tao J; Yue R · Frontiers in aging neuroscience · 2024
    Meta-analysis82,246 participants9 studies pooledCognitive Support forCholine
  9. Effects of egg yolk choline intake on cognitive functions and plasma choline levels in healthy middle-aged and older Japanese: a randomized double-blinded placebo-controlled parallel-group study.
    Yamashita S; Kawada N; Wang W; Susaki K; Takeda Y; Kimura M; Iwama Y; Miura Y; Sugano M; Matsuoka R · Lipids in health and disease · 2023
    Randomized trial41 participantsCognitive Support forCholine
  10. Choline and contribution to normal liver function of the foetus and exclusively breastfed infants: evaluation of a health claim pursuant to Article 14 of Regulation (EC) No 1924/2006.
    EFSA Panel on Nutrition, Novel Foods and Food allergens (NDA); Turck D; Bohn T; Castenmiller J; De Henauw S; Hirsch-Ernst KI; Knutsen HK; Maciuk A; Mangelsdorf I; McArdle HJ; Naska A; Pentieva K; Thies F; Tsabouri S; Vinceti M; Bresson JL; Fiolet T; Siani A · EFSA journal. European Food Safety Authority · 2024
    Guideline / consensusDetoxification forCholine
  11. Adiposity May Moderate the Link Between Choline Intake and Non-alcoholic Fatty Liver Disease.
    Mazidi M; Katsiki N; Mikhailidis DP; Banach M · Journal of the American College of Nutrition · 2020
    Cross-sectional study20,643 participantsDetoxification forCholine
  12. 1H MR Spectroscopy at 3T for Hepatic Choline Quantification in Healthy Young Women: A Translational Imaging Study with Dietary Correlation.
    Hawesa H; Alghamdi R; Allam H; Alfaifi B; Alrabiah N; Alghumaiz M; Shanawani M; Alshegri H; Hassan MG · Current medical imaging · 2026
    Cohort study88 participantsDetoxification forCholine
  13. Relationship of Choline Intake with Biomarkers of Liver Health by Genotype-A Cross-Sectional Analysis.
    Wallace TC; Cowan-Pyle AE; Klatt KC; Bailey RL · The Journal of nutrition · 2025
    Cross-sectional study1,438 participantsDetoxification forCholine
  14. Cognitive improvement in mild to moderate Alzheimer's dementia after treatment with the acetylcholine precursor choline alfoscerate: a multicenter, double-blind, randomized, placebo-controlled trial.
    De Jesus Moreno Moreno M · Clinical therapeutics · 2003
    Randomized trial261 participantsCognitive Support forCholine
  15. Choline intake during pregnancy and child cognition at age 7 years.
    Boeke CE; Gillman MW; Hughes MD; Rifas-Shiman SL; Villamor E; Oken E · American journal of epidemiology · 2013
    Cohort study895 participantsCognitive Support forCholine
  16. Maternal choline supplementation mitigates alcohol exposure effects on neonatal brain volumes.
    Warton FL; Molteno CD; Warton CMR; Wintermark P; Lindinger NM; Dodge NC; Zöllei L; van der Kouwe AJW; Carter RC; Jacobson JL; Jacobson SW; Meintjes EM · Alcoholism, clinical and experimental research · 2022
    Randomized trial52 participantsCognitive Support forCholine
  17. Choline and Choline-Related Metabolites in Pediatric Short Bowel Syndrome.
    Hilberath J; Shunova A; Heister L; Poets CF; Bernhard W · Nutrients · 2026
    Observational study80 participantsDetoxification forCholine
  18. Choline Supplementation in Cystic Fibrosis-The Metabolic and Clinical Impact.
    Bernhard W; Lange R; Graepler-Mainka U; Engel C; Machann J; Hund V; Shunova A; Hector A; Riethmüller J · Nutrients · 2019
    Single-arm trial10 participantsDetoxification forCholine
  19. Four-year follow-up of a randomized controlled trial of choline for neurodevelopment in fetal alcohol spectrum disorder.
    Wozniak JR; Fink BA; Fuglestad AJ; Eckerle JK; Boys CJ; Sandness KE; Radke JP; Miller NC; Lindgren C; Brearley AM; Zeisel SH; Georgieff MK · Journal of neurodevelopmental disorders · 2021
    Randomized trial31 participantsMental Focus forCholine
  20. Effect of Choline Supplementation on Neurological, Cognitive, and Behavioral Outcomes in Offspring Arising from Alcohol Exposure During Development: A Quantitative Systematic Review of Clinical and Preclinical Studies.
    Akison LK; Kuo J; Reid N; Boyd RN; Moritz KM · Alcoholism, clinical and experimental research · 2019
    Systematic reviewMental Focus forCholine
  21. Perinatal choline effects on neonatal pathophysiology related to later schizophrenia risk.
    Ross RG; Hunter SK; McCarthy L; Beuler J; Hutchison AK; Wagner BD; Leonard S; Stevens KE; Freedman R · The American journal of psychiatry · 2013
    Randomized trialMental Focus forCholine