SDA (Stearidonic Acid)
Fatty Acid
Also known as: Stearidonic acid, Stearidonic, SDA omega-3, Ahiflower, Ahiflower oil
B
Grade B💊 500-2000 mg daily🎯 4 primary uses🔗 3 synergies⚠️ Review warnings
Overview
A plant-based omega-3 that converts to EPA 3-5x more efficiently than ALA. Found in ahiflower and echium oils, making it the most efficient plant omega-3 for EPA production.
Primary Uses
Plant-based EPA productionAnti-inflammatory supportCardiovascular healthVegan omega-3
Dosage
Typical range
500-2000 mg daily
Timing
With meals
With food
Yes, improves absorption
Duration
Ongoing supplementation for benefits
Special Populations
Vegans seeking meaningful EPA levels
Mechanism of Action
- • Bypasses rate-limiting delta-6-desaturase step
- • Converts to EPA at 3-5x efficiency of ALA
- • Incorporated into cell membranes
- • Reduces inflammatory eicosanoids
Evidence Quality
Evidence Grade B
Emerging research shows efficient conversion to EPA
Safety & Contraindications
Serious Warnings
- • Same bleeding considerations as other omega-3s
Contraindications
- • None specific
Common Side Effects
- • Generally well tolerated
Pregnancy & Breastfeeding
Consult healthcare provider
Liver & Kidney Notes
Safe
Interactions
💊 Medications
- • Blood thinners - mild interaction
🧪 Supplements
- • Complements DHA from algae
🍽️ Food & Alcohol
- • Take with fat
Stacking & Synergies
Pairs Well With
Algal DHAGLAVitamin E
Avoid Combining With
Fish oil (redundant)
Best Goal Synergies
Vegan omega-3Plant-based EPA
Buying Guide
What to Look For
- • Ahiflower or echium source
- • SDA percentage
Standardization Markers
SDA content stated
Adulteration risk
Low
Practical Notes
- • Most efficient plant-to-EPA conversion
- • Sustainable alternative to fish oil
Tags
fatty acidomega-3plant-basedveganEPA-precursor
Frequently Asked About SDA (Stearidonic Acid)
How much SDA (Stearidonic Acid) should I take?
The typical effective range is 500-2000 mg daily. Individual needs vary based on age, body weight, diet, and goals — start at the lower end and adjust based on response. Always consult a healthcare provider before starting a new supplement.
When is the best time to take SDA (Stearidonic Acid)?
With meals. Consistency matters more than perfect timing — pick a daily anchor (e.g. with breakfast or before bed) and stick with it.
Should I take SDA (Stearidonic Acid) with food?
Yes, improves absorption.
Does SDA (Stearidonic Acid) interact with medications?
Yes — known interactions include Blood thinners - mild interaction. If you take any prescription medication, talk to your doctor or pharmacist before starting SDA (Stearidonic Acid).
What does SDA (Stearidonic Acid) pair well with?
SDA (Stearidonic Acid) stacks well with Algal DHA, GLA, and Vitamin E — these combinations either improve absorption or work synergistically toward common goals.
Who should not take SDA (Stearidonic Acid)?
SDA (Stearidonic Acid) should be avoided or used with caution by people with None specific. Pregnant or breastfeeding women should consult a healthcare provider before use.
What are the side effects of SDA (Stearidonic Acid)?
Most people tolerate SDA (Stearidonic Acid) well. The most commonly reported side effects are Generally well tolerated. Side effects are usually dose-dependent — lowering the dose often resolves them.
Educational content based on published research and our scoring methodology. Not medical advice — consult a qualified healthcare provider before starting, stopping, or changing supplements, especially if you take medications, are pregnant, or have a medical condition.