L-Taurine

Single-ingredient taurine reference formula at 1,000 mg per serving, developed as a capsule, with a powder option at a 2,000 mg serving.

L-Taurine is a reference formula for brands building a single-ingredient amino acid product at a default amount of 1,000 mg of taurine per serving. Taurine is the only active ingredient, so the development work centers on a gram-level crystalline powder: capsule size and count, free-flowing behavior of a small crystal, and taste when the same raw material goes into a drink mix.

Capsule is the lead format because 1,000 mg of taurine fits one large capsule or two smaller ones, and a powder version at 2,000 mg serves brands that sell a scoop or a stick pack. Options of 500 and 800 mg sit beside the default, and the amount is a decision for the brand and its market review.

Ingredient Composition

IngredientPer ServingRaw Material FormAlternative Form (same amount of active)
L-Taurine1000 mg (default amount)Taurine, crystalline powder of synthetic origin; specification 1,000 mg taurine per servingA different particle grade of the same compound, with the same milligram amount and its own flow behavior

Amounts are stated as mg of taurine (C2H7NO3S, 125.15 g/mol; PubChem CID 1123). Taurine is a single compound, so no salt conversion applies, and the input equals the labeled amount at the assay of the raw material. The reference labels also name it as L-taurine; the page uses taurine as the compound name.

Intended Benefits & Formula Rationale

This formula is designed for products positioned around daily taurine intake and energy nutrition. Taurine is included as the single active so that the particle grade, the amount and the excipient system can be set without interaction with other actives.

Intended Benefit DirectionKey IngredientsFormulation Rationale
Daily taurine intakeL-TaurineIncluded as an amino acid found abundantly in brain, retina, heart and reproductive organ cells and in meat and seafood, which is also a major ingredient of popular energy drinks [1]. Evidence: Referenced
Physical and cognitive researchL-TaurineA Bayesian network meta-analysis of 12 studies of caffeine and taurine reports that findings on their combined efficacy remain inconclusive, with a credible positive effect of the combination on anaerobic capacity and reaction time compared with either alone [2]. Evidence: Mixed

The amount is one stated tier. The review in [1] notes that little is known about taurine’s neuroendocrine effects, so amount, claims and target market are brand decisions reviewed for each sales market.

Available Formats

The taurine reference formula is built for a capsule version and a powder version; counts per serving are design choices that the brand can adjust.

FormatUnitPer ServingPack SizeOther Ingredients (typical)Suitability
Capsule2 capsules1000 mg120 capsules (60 servings)Gelatin shell, silica, magnesium stearateLead format; two 500 mg capsules
Powder1 scoop2000 mg120 g tub (60 servings)Flow agent, citric acid, sweetener, flavorGram-level crystal powder for a drink mix

Raw Material Input & Fill (Design Estimate)

Design estimates. The input is the labeled amount divided by the assumed assay of the raw material, taken at 100% taurine, so 1000 mg needs 1000 mg of raw material per capsule serving and 2000 mg per scoop.

FormatRaw Material Input per UnitDesign FillBalance for ExcipientsVerification Before Scale-Up
Capsule500 mg per capsule (2 per serving)540 mg per capsule40 mgFill weight variation, flow, content assay of taurine
Powder2000 mg per scoop2300 mg per scoop300 mgScoop density, dissolution, caking, content assay of taurine

Tablet, gummy and liquid versions are separate projects, because a gram-level crystalline solid needs its own compression, matrix or solubility work in those systems.

Formulation Considerations

Gram-level load and capsule size. At 1000 mg, taurine is most of the unit weight. Capsule size and count follow from the powder density of the chosen particle grade, so density and flow are measured on the received lot before fill weights are fixed.
Dissolving in water. Taurine dissolves slowly in cold water and can settle in a drink, so the powder version is tested for mixing time and sediment, and a finer grade is the alternative.
Origin and purity. Taurine is produced synthetically, and the specification names the purity, the water content and any residue limits. Certificates are checked lot by lot.
Evidence and tier. The review in [1] describes sparse data on neuroendocrine effects, and the network meta-analysis in [2] covers caffeine and taurine together. The tier a brand chooses depends on its target market, and the local dose limit is read before a product is developed.

Customization Options

Brands adjust the amount per serving, the particle grade, the format and the add-ons.

ParameterRangeNote
Amount per serving500, 800, 1000 or 2000 mgOptions for the brand; capsule count or scoop size changes with the tier
Particle gradeStandard or fineAffects flow, mixing time and sediment
FormatCapsule or powderTablet, gummy and liquid are separate projects
Pack size30 to 120 servingsSet by the brand
Add-onsMagnesium, B vitamins, L-carnitineA second gram-level active forces more capsules or a larger scoop

The pilot run confirms flow and fill weight of the crystal grade, dissolution and sediment of the powder, and the content assay of taurine in the first units against the labeled amount.

Flavor Options

FormatSuggested FlavorsWhy
PowderUnflavored, citrus, tropical fruitA near-neutral base suits a light flavor or none

Technical Status & Data Sources

ItemStatusDetails
Reference formulaNIH DSLDThe ingredient and amount come from a labeled product in the NIH DSLD (1000 mg on the label of CF003807; example DSLD labels 22538, 58686, 184932). The label names the ingredient as L-taurine; synthetic taurine is set as the form.
SpecificationSet in formulationTaurine, 1,000 mg per serving; purity, water content and residue limits and method are fixed with the supplier. Unit size, fill weight and stability are set in formulation.
Data sourceNIH DSLDDSLD v9.4.0, downloaded 2026-01-10: 50,824 reference formulas merged from on-market labels with complete ingredient amounts. Counts show how labels are distributed.
Market reviewPer marketDose limits, labeling and claims are reviewed for each sales market before a finished product is developed.
ReferencesSources[1] Caine JJ, Geracioti TD. Taurine, energy drinks, and neuroendocrine effects. Cleve Clin J Med. 2016;83(12):895-904. DOI · PubMed<br>[2] Deng H, Wang L, Liu P, et al. Caffeine and taurine: a systematic review and network meta-analysis of their individual and combined effects on physical capacity, cognitive function, and physiological markers. J Int Soc Sports Nutr. 2025;22(1):2566371. DOI · PubMed

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