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Taurine explained: what it is and where it comes from

Taurine occurs naturally in foods of animal origin, including seafood and meat. EFSA, the European Food Safety Authority, says the body makes taurine mainly from the amino acid cysteine in the liver. One product we reviewed lists taurine, but its label does not print a separate taurine amount.

By HowNook's Health desk · Updated

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What it is
Amino acid
In the products we reviewed
1, its label does not print the amount

What taurine is

  • Taurine occurs naturally in foods of animal origin.1
  • The body makes taurine mainly from the amino acid cysteine in the liver.2
  • Taurine can be manufactured using monoethanolamine and sulphuric acid or ethylene oxide and sodium hydrogen sulphate.2
  • Taurine is used in energy drinks together with caffeine.2
  • Taurine taken by mouth is readily absorbed into the bloodstream.2

Foods that have it2

  • Seafood
  • Meat

How much taurine each product gives

Per serving, as each label prints it

Amount not printed: the dashed line shows the most it can be, the whole blend

GlucoTrustNot printed · at most 208 mg

The product we reviewed that lists taurine

ProductForm and servingTaurine per servingOur scorePrice a bottleBuy
GlucoTrust#6 in blood sugar supportCapsules1 capsuleNot printedIn a 207.7 mg proprietary blend8.9$49Check price
Prices checked Sep 30, 2026

Questions people ask

What is taurine?

Taurine is a substance the body makes mainly from the amino acid cysteine in the liver, according to EFSA, the European Food Safety Authority. It also occurs naturally in foods of animal origin, including seafood and meat.

Is taurine in energy drinks?

Yes, EFSA says taurine is used in energy drinks together with caffeine.

How do you take taurine?

Taurine can be taken by mouth. EFSA says taurine taken by mouth is readily absorbed into the bloodstream.

Which supplements we reviewed contain taurine?

GlucoTrust is the only product we reviewed that lists taurine. Its label places taurine inside a 207.7 mg proprietary blend without printing a separate taurine amount. The listed serving is 1 capsule.

Sources

The products, amounts and prices come from each product's label and checkout, as its review shows them. AI drafts our pages from listed sources, figures are checked against them, and we have not tried the products.

  1. 1EFSA Journal (2009), scientific opinion 1260efsa.onlinelibrary.wiley.com/doichecked
  2. 2EFSA Journal (2009), scientific opinion 935efsa.onlinelibrary.wiley.com/doichecked