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Neuro Optimizer

Jarrow Formulas
4.7
★ ★ ★ ★ ★
(4399 ratings)
Taurine 500 mg
Glutamine 500 mg
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Score77
A purposeful neuro-support blend contains useful forms and doses, but glutamine is secondary and the formula offers poor value outside cognition.
How scoring works
Quantity:120 Capsule(s) • (30 servings)
Goals:
Anti-Aging
Anti-Inflammatory Support
Detoxification

Score 77

A purposeful neuro-support blend contains useful forms and doses, but glutamine is secondary and the formula offers poor value outside cognition.
How scoring works
$36.99($1.23 per serving)
Vitacost
$ 45.15
Vitacost
$ 44.43
Daily Vita
$ 38.99
Pure Formulas
$ 36.99
iHerb
$ 45.88
Walmart
$ 49.53
Amazon
$ 38.99
Report prices

Analysis

Citicoline, phosphatidylserine, phosphatidylcholine, and acetyl-L-carnitine cover membrane and cellular-energy pathways relevant to cognitive aging. Taurine adds cellular and osmotic support, while glutamine has a secondary metabolic role.

Most central actives are individually quantified, but the two pantothenic-acid entries appear duplicative and should not be assumed to double the dose. The 500 mg glutamine amount is far below what a focused glutamine product usually supplies.

Four capsules and a premium serving cost make sense only for someone targeting the complete neuro-support blend. It is inefficient for fitness, cardiovascular, detoxification, or glutamine-first use.

Who is it for
  • Adults seeking multi-pathway cognitive support
  • People who want citicoline and phospholipids together
  • Users comfortable with four capsules per serving
Best for
  • Cognitive aging support
  • Membrane and cellular-energy nutrition
  • Combining citicoline, carnitine, and phosphatidylserine

Pros

  • Coherent cognitive ingredient set
  • Useful disclosed forms
  • Individual amounts are mostly clear

Cons

  • Premium serving cost
  • Only 500 mg glutamine
  • Duplicate-looking pantothenic acid entries

Warnings

  • Acetyl-L-carnitine can feel stimulating and may cause restlessness or insomnia if taken late.
  • Citicoline may cause headache or digestive upset in sensitive users.
  • The four-capsule serving may be difficult for people who have trouble swallowing pills.

Nutrient quality

89 Highest impact

Well-regarded carnitine, citicoline, and phospholipid forms create coherent cognitive support. Glutamine and taurine are secondary rather than stand-alone doses.

.

Ingredient transparency

76 High impact

Most active forms and amounts are disclosed without a hidden blend. Duplicate vitamin naming, absent intake directions, and missing excipients reduce clarity.

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Customer satisfaction

69 High impact

The supplied average rating is strong and comes from a large rating pool. No firsthand experiences or recurring complaint details were provided, so consistency remains uncertain.

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Value for money

72 High impact

Meaningful cognitive actives provide fair value despite a relatively high serving cost. The focused multi-pathway design remains moderately competitive.

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Report analysis

Goals

Anti-Aging
Anti-Aging
Impact
Highest effect
A- Goal FitA Strength of SupportA CoverageA Formula Quality
Taurine · 500 mg

Acetyl-L-carnitine, taurine, citicoline, phosphatidylcholine, and phosphatidylserine support mitochondrial energy, cell membranes, and cognitive function. The formula addresses several neurological aging pathways with useful human evidence for citicoline and phosphatidylserine.

Most central actives are individually quantified at purposeful amounts, though taurine evidence for human longevity remains preliminary. The combination is coherent and gives each major pathway enough dose to avoid a token kitchen-sink design.

Study evidence
Taurine Supportive 3 studies
Anti-Inflammatory Support
Anti-Inflammatory Support
Impact
Moderate effect
D+ Goal FitC+ Strength of SupportC- CoverageC- Formula Quality
Taurine · 500 mg

Taurine, acetyl-L-carnitine, and membrane-support nutrients may help oxidative and cellular resilience, but the formula is built primarily for cognition. None of the main actives provides the direct anti-inflammatory focus of fish oil, curcumin, or boswellia.

Exact amounts and useful forms are disclosed across the broad neuro-support blend. A four-capsule serving spreads attention across several pathways without delivering strong direct depth for inflammatory signaling.

Study evidence
Taurine Supportive 12 studies
Detoxification
Detoxification
Impact
Moderate effect
C Goal FitC- Strength of SupportC CoverageC- Formula Quality
Glutamine · 500 mgTaurine · 500 mg

Taurine, glutamine, phosphatidylcholine, and pantothenic acid touch bile conjugation, gut-barrier, and energy pathways relevant to clearance. The formula therefore has several plausible but secondary detoxification mechanisms.

Most of these actives are below focused target amounts and the product is constructed mainly for cognitive support. The duplicate pantothenic-acid listing and several unrelated brain nutrients weaken depth for the selected goal.

Study evidence
Glutamine Supportive 8 studies
Taurine Supportive 2 studies

Ingredients

IngredientAmount per serving
Pantothenic Acid (Calcium D-Pantothenate, Vitamin B5)
 10 mg
Acetyl-L-Carnitine (Acetyl-L-Carnitine Hydrochloride)
 500 mg
L-Glutamine
500 mg
Taurine
500 mg
Cytidine 5'-Diphosphocholine
300 mg
Phosphatidylcholine
120 mg
Phosphatidylserine
100 mg
Gluten Free Adults 18–50 Dairy Free
Report overview
Taurine · 500 mg OverallScore50
C- Active Ingredient Quality & BioavailabilityC- Dose, Safety & Label TransparencyF Value

The formula provides a moderate taurine amount but does not identify its chemical grade or source. A four-capsule serving is less convenient, and no independent quality verification is stated. The cost per gram of taurine is high, so it is a weak choice when taurine is the main priority.

View ingredientView products
Glutamine · 500 mg OverallScore49
B- Active Ingredient Quality & BioavailabilityD- Dose, Safety & Label TransparencyF Value

L-glutamine is clearly listed, but its amount is modest and the product is aimed at broader cognitive support. The four-capsule serving still provides far less than a substantial glutamine intake. Using enough capsules to reach a practical glutamine dose would be inconvenient and costly.

View ingredientView products
Loading alternative details
84 Performance

Glutamine Pure Powder 5000 mg (5 g)

Country Life
The more focused or more substantial active profile improves on a cognitive formula in which glutamine and taurine are supporting ingredients for the candidate's stated use. A full five-gram L-glutamine serving provides far stronger targeted dose depth than a mixed formula, although no premium purity or micronized claim is supplied.
86 Performance

Taurine 1000 mg

Life Extension
The more focused or more substantial active profile improves on a cognitive formula in which glutamine and taurine are supporting ingredients for the candidate's stated use. A full gram of identified L-taurine provides clear single-active potency, although purity verification is not supplied.
82 Performance

Pharmaceutical Grade AjiPure L-Glutamine 500 mg

Swanson Ultra
The more focused or more substantial active profile improves on a cognitive formula in which glutamine and taurine are supporting ingredients for the candidate's stated use. AjiPure and pharmaceutical-grade labeling strengthen raw-material confidence, though the modest capsule amount requires several capsules for targeted use.
84 Budget

L-Glutamine Pure Powder

Best Naturals
It lowers recurring cost compared with a cognitive formula in which glutamine and taurine are supporting ingredients while retaining a relevant amino-acid pathway. The scalable single-ingredient powder provides a substantial glutamine serving with simple active disclosure.
86 Budget

L-Taurine Powder

Life Extension
It lowers recurring cost compared with a cognitive formula in which glutamine and taurine are supporting ingredients while retaining a relevant amino-acid pathway. The measured L-taurine powder supports flexible dosing and focused potency, while source and testing details remain absent.
85 Budget

Taurine 1000 mg

Jarrow Formulas
It lowers recurring cost compared with a cognitive formula in which glutamine and taurine are supporting ingredients while retaining a relevant amino-acid pathway. A full-gram taurine capsule offers simple, clearly disclosed potency, but sourcing and purity documentation are missing.
84 Value

Glutamine 300

PS ProSupps
Stronger active focus at no higher supplied serving cost improves value relative to a cognitive formula in which glutamine and taurine are supporting ingredients. A nearly full targeted glutamine serving gives the simple powder strong dose convenience, though no premium purity or micronized-processing claim is stated.
83 Value

Micronized L-Glutamine 1000 mg

Natural Factors
Stronger active focus at no higher supplied serving cost improves value relative to a cognitive formula in which glutamine and taurine are supporting ingredients. Micronized L-glutamine adds a useful processing advantage at a moderate capsule amount, though a targeted intake may require several capsules.
83 Value

Taurine 500 mg

NOW
Stronger active focus at no higher supplied serving cost improves value relative to a cognitive formula in which glutamine and taurine are supporting ingredients. The focused capsule supplies a clearly disclosed half-gram taurine amount, while purity, sourcing, and testing are not described.
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Sources

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

  1. Taurine supplementation reduces myeloperoxidase and matrix-metalloproteinase-9 levels and improves the effects of exercise in cognition and physical fitness in older women.
    Chupel MU; Minuzzi LG; Furtado GE; Santos ML; Ferreira JP; Filaire E; Teixeira AM · Amino acids · 2021
    Randomized trial48 participantsAnti-Aging forTaurine
  2. Taurine as a possible antiaging therapy: A controlled clinical trial on taurine antioxidant activity in women ages 55 to 70.
    Abud GF; De Carvalho FG; Batitucci G; Travieso SG; Bueno Junior CR; Barbosa Junior F; Marchini JS; de Freitas EC · Nutrition (Burbank, Los Angeles County, Calif.) · 2022
    Randomized trial24 participantsAnti-Aging forTaurine
  3. Association of taurine intake with changes in physical fitness among community-dwelling middle-aged and older Japanese adults: an 8-year longitudinal study.
    Domoto T; Kise K; Oyama Y; Furuya K; Kato Y; Nishita Y; Kozakai R; Otsuka R · Frontiers in nutrition · 2024
    Cohort studyAnti-Aging forTaurine
  4. Oxidative stress and inflammation in obesity after taurine supplementation: a double-blind, placebo-controlled study.
    Rosa FT; Freitas EC; Deminice R; Jordão AA; Marchini JS · European journal of nutrition · 2015
    Randomized trial24 participantsAnti-Inflammatory Support forTaurine
  5. Effect of taurine supplementation on preventing ventilator-associated pneumonia in pediatrics under mechanical ventilation, a randomized controlled double-blind clinical trial.
    Shirzad-Yazdi N; Shorafa E; Abootalebi SN; Heidari R; Hojabri K; Doostfatemeh M; Masjedi F; Vazin A; Shafiekhani M · Frontiers in pediatrics · 2025
    Randomized trial77 participantsAnti-Inflammatory Support forTaurine
  6. Effect of taurine in muscle damage markers and inflammatory cytokines in running exercise.
    Wang Y; Xu T; Zhao H; Gu C; Li Z · Frontiers in physiology · 2022
    Non-randomized trial10 participantsAnti-Inflammatory Support forTaurine
  7. Exercise and taurine in inflammation, cognition, and peripheral markers of blood-brain barrier integrity in older women.
    Chupel MU; Minuzzi LG; Furtado G; Santos ML; Hogervorst E; Filaire E; Teixeira AM · Applied physiology, nutrition, and metabolism = Physiologie appliquee, nutrition et metabolisme · 2018
    Randomized trial48 participantsAnti-Inflammatory Support forTaurine
  8. Taurine supplementation has anti-atherogenic and anti-inflammatory effects before and after incremental exercise in heart failure.
    Ahmadian M; Roshan VD; Aslani E; Stannard SR · Therapeutic advances in cardiovascular disease · 2017
    Randomized trialAnti-Inflammatory Support forTaurine
  9. Efficacy of glutamine supplementation in postoperative patients undergoing hepatic surgery: a systematic review and meta-analysis of randomized controlled trials.
    Meng X; Zhang M; Wang X · Clinics (Sao Paulo, Brazil) · 2026
    Meta-analysis1,198 participants18 studies pooledDetoxification forGlutamine
  10. Glutamine supplementation in preterm infants receiving parenteral nutrition leads to an early improvement in liver function.
    Wang Y; Cai W; Tao YX; Tang QY; Feng Y; Wu J · Asia Pacific journal of clinical nutrition · 2014
    Randomized trial30 participantsDetoxification forGlutamine
  11. Parenteral glutamine protects hepatic function during bone marrow transplantation.
    Brown SA; Goringe A; Fegan C; Davies SV; Giddings J; Whittaker JA; Burnett AK; Poynton CH · Bone marrow transplantation · 1998
    Randomized trial34 participantsDetoxification forGlutamine
  12. Protective effect of parenteral glutamine supplementation on hepatic function in very low birth weight infants.
    Wang Y; Tao YX; Cai W; Tang QY; Feng Y; Wu J · Clinical nutrition (Edinburgh, Scotland) · 2010
    Randomized trial30 participantsDetoxification forGlutamine
  13. A multistrain probiotic increases the serum glutamine/glutamate ratio in patients with cirrhosis: a metabolomic analysis.
    Laghi L; Román E; Lan Q; Nieto JC; Canalda-Baltrons A; Poca M; Sánchez-Rodríguez MB; Clària J; Alvarado E; Cuyàs B; Sánchez E; Vidal S; Guarner C; Escorsell À; Manichanh C; Soriano G · Hepatology communications · 2023
    Randomized trial32 participantsDetoxification forGlutamine
  14. Dietary amino acid taurine ameliorates liver injury in chronic hepatitis patients.
    Hu YH; Lin CL; Huang YW; Liu PE; Hwang DF · Amino acids · 2008
    Non-randomized trial24 participantsDetoxification forTaurine
  15. Taurine status and response to intravenous taurine supplementation in adults with short-bowel syndrome undergoing long-term parenteral nutrition: a pilot study.
    Schneider SM; Joly F; Gehrardt MF; Badran AM; Myara A; Thuillier F; Coudray-Lucas C; Cynober L; Trivin F; Messing B · The British journal of nutrition · 2006
    Single-arm trial32 participantsDetoxification forTaurine