Omega-3 (EPA/DHA) vs Taurine

Mechanism

EPA and DHA incorporate into cell membrane phospholipids, modulating membrane fluidity and lipid raft signaling. EPA competitively inhibits arachidonic acid conversion via COX-2 and 5-LOX, reducing pro-inflammatory eicosanoids (PGE2, LTB4) while generating anti-inflammatory resolvins and protectins. DHA is critical for neuronal membrane integrity, modulating BDNF expression and synaptic plasticity via Nrf2 and NF-kB pathways.

Standard Dosing

2-4g combined EPA/DHA daily (targeting 2:1 EPA:DHA ratio for inflammation; 1:1 for cognitive)

Timing

With meals containing fat for absorption. Split dose AM/PM.

Cycle Duration

ongoing

Side Effects

• Fishy burps/aftertaste
• Mild GI upset
• Loose stools at high doses
• Potential increased LDL in some individuals

Contraindications

• Active bleeding disorders
• Scheduled surgery (discontinue 2 weeks prior)
• Fish/shellfish allergy (use algal-derived)

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Mechanism

Taurine is a sulfonic acid amino acid (not incorporated into proteins) with diverse physiological roles. It is the most abundant free amino acid in excitable tissues (heart, brain, retina, muscle). Mechanisms: GABA-A receptor agonism (inhibitory neurotransmission), glycine receptor agonism, osmoregulation (cell volume regulation via taurine transporter TauT), bile acid conjugation (taurocholate formation for fat digestion), calcium handling in cardiomyocytes (modulates RyR2/SERCA2a), mitochondrial protein synthesis (taurine modification of mitochondrial tRNA), and potent antioxidant (directly scavenges HOCl, stabilizes membranes). Recently identified as a longevity-associated molecule — taurine levels decline with age and supplementation extends lifespan in mice.

Standard Dosing

1000-3000mg daily

Timing

Flexible. Evening preferred for sleep/relaxation benefits. Pre-workout for cardiac and exercise performance benefits.

Cycle Duration

ongoing

Side Effects

• Generally extremely well-tolerated
• Mild GI discomfort
• Drowsiness at high doses
• Rare: hypothermia in preclinical data

Contraindications

• Bipolar disorder on lithium (monitor levels)
• Severe renal impairment
• Caution with severe renal impairment

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