Fatty Acid
LA (Linoleic Acid)
Also known as: Linoleic acid, LA, Omega-6 LA, C18:2
An essential omega-6 fatty acid required for cell membrane structure and skin barrier function. Must be obtained from diet as the body cannot synthesize it.
Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.
Common questions
How much LA (Linoleic Acid) should I take?
The typical range is 11-17 g daily from diet. Essential - ongoing need
When should I take LA (Linoleic Acid)?
Throughout day in foods. N/A - food source.
Which form of LA (Linoleic Acid) is best?
Vegetable oils — Abundant in diet. Other forms in the catalog: Safflower oil, Supplements rare.
Is LA (Linoleic Acid) safe?
Commonly reported: None at normal intake. Serious warnings: Excess may promote inflammation. Safe
Which LA (Linoleic Acid) supplement scores highest?
NutraBio CLA (800mg), at 80/100. Scored on dose accuracy, form, label transparency and third-party testing — no brand pays to be listed or ranked.
Primary uses
- Essential fatty acid provision
- Skin barrier function
- Cell membrane integrity
- Precursor to other fatty acids
How it works
- Essential component of cell membranes
- Converts to gamma-linolenic acid (GLA)
- Supports skin barrier ceramide production
- Precursor to arachidonic acid
Dosage
- Typical range
- 11-17 g daily from diet
- Timing
- Throughout day in foods
- With food
- N/A - food source
- Duration
- Essential - ongoing need
- Special populations
- Deficiency rare in Western diets
Forms
- Vegetable oils
- Safflower oil
- Supplements rare
Safety
Common side effects
- None at normal intake
Contraindications
- None
Products containing LA (Linoleic Acid)
Top-scoring supplements in our catalog that list LA (Linoleic Acid) on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.
Evidence notes
Essential fatty acid with established physiological roles
Grade B: Some human trials support key claims; further confirmation needed.
Related in Fatty Acid
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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.