Quick answer
Taurine is an amino sulfonic acid found naturally in meat, fish, seafood and dairy. It was first isolated from ox bile in 1827, which is where the name comes from (Bos taurus, Latin for ox). It's added to many energy drinks and is sold on its own as capsules, often 1000mg per serve.
Type
Amino sulfonic acid
First isolated
1827, from ox bile
Food sources
Meat, fish, seafood, dairy
Supplement source
Made synthetically (not from animals)
Is taurine made from bulls?
No. Despite the name and the popular myth, taurine in supplements and energy drinks is made synthetically. The name simply honours where it was first discovered almost 200 years ago.
Taurine in food vs drinks vs capsules
| Source | Taurine | Notes |
|---|---|---|
| Seafood and fish | Among the richest food sources | Shellfish are especially high |
| Meat and poultry | Moderate | Dark meat contains more |
| Plant foods | Very little | Vegan diets provide little taurine |
| Energy drinks | Often around 1000mg per can | Usually with caffeine and sugar |
| MAYN Taurine capsule | 1000mg per serve | No caffeine or sugar |
Why is taurine in energy drinks?
Taurine has been a standard energy drink ingredient since the 1980s. A taurine capsule provides it without the caffeine, sugar and other ingredients in a can.
Tip: If you're comparing, check the taurine per serve: many cans list around 1000mg.
Frequently asked questions
Is taurine vegan?
Supplement taurine is synthetic, so it's not animal-derived. Check the capsule shell and other ingredients.
Does taurine contain caffeine?
No. Taurine is unrelated to caffeine, even though both appear in energy drinks.
Is taurine an amino acid?
It's often called one, but technically it's an amino sulfonic acid and isn't used to build proteins.
Keep reading
This article is general information only and is not medical advice. Always read the label and follow the directions for use. Dietary supplements should not replace a balanced diet. If you are pregnant, breastfeeding, taking medication or have a medical condition, speak with your doctor or pharmacist before taking a new supplement.

