Introduction

Taurine is a conditionally essential amino acid–like compound that plays a vital role in cardiovascular health, nervous system regulation, bile salt formation, and cellular hydration. It is highly concentrated in the brain, heart, eyes, and muscles.

What Is Taurine?

Taurine is a sulfur-containing compound derived from cysteine and methionine.

• Type: Conditionally essential amino acid–like compound
• Main role: Cellular function and electrolyte balance
• Storage: Brain, heart, muscles, retina

How Taurine Works in the Body

Taurine supports cellular stability, neurotransmission, and metabolic processes.

• Regulates calcium signaling in cells
• Supports nervous system calming (GABA-like action)
• Aids bile acid formation for fat digestion
• Supports antioxidant and anti-inflammatory activity

Sources of Taurine

• Fish and seafood
• Meat and poultry
• Dairy products
• Eggs
• Seaweed (small amounts)

Taurine Deficiency

Taurine deficiency is uncommon but may occur in strict vegetarians, premature infants, or during chronic illness.

Possible deficiency-related effects include:

• Fatigue and low exercise tolerance
• Impaired vision or retinal stress
• Cardiovascular strain
• Nervous system imbalance

Dosage & How to Take Taurine

• General support: 500–1000 mg/day
• Heart or nervous system support: 1000–3000 mg/day
• Athletes: 1000–2000 mg/day

Taurine can be taken with or without food.

Forms of Taurine

• Free-form Taurine powder
• Capsules or tablets
• Included in energy or electrolyte formulas

Benefits & Uses

• Supports heart rhythm and blood pressure balance
• Calms the nervous system and supports sleep quality
• Supports eye and retinal health
• Improves exercise endurance
• Supports bile production and fat digestion

Safety, Side Effects & Precautions

• Generally very safe and well tolerated
• High doses may cause mild digestive upset
• Safe for long-term use within recommended limits
• Consult a doctor if you have kidney disease

Special Populations

• Athletes: Supports endurance and recovery
• People with heart concerns: Supports cardiac function
• Individuals with anxiety or stress: Supports nervous system balance
• Elderly: Supports cardiovascular and eye health

Frequently Asked Questions

What does taurine do in the body?

Taurine supports heart health, nervous system regulation, digestion, and cellular stability.

Is taurine a stimulant?

No. Taurine is calming to the nervous system despite being included in energy drinks.

Can taurine be taken daily?

Yes. Daily supplementation is safe for healthy individuals.

Is taurine good for the heart?

Yes. It supports heart rhythm, blood pressure, and vascular health.

Best time to take taurine?

Any time of day; evening use may support relaxation and sleep.