What is GLA (Gamma-Linolenic Acid)? Definition, Health Benefits, and How to Supplement for Wellness

Plant oils and GLA molecular diagram depicting benefits for skin, heart, and immune health.

Definition: What is GLA?

GLA (Gamma-Linolenic Acid) is an omega-6 polyunsaturated fatty acid found primarily in certain plant oils, such as borage, evening primrose, and black currant seed oil. It is considered a conditionally essential fatty acid because some individuals may not efficiently convert other omega-6s into GLA due to age, health conditions, or genetics. In supplements, GLA is sought for its potential anti-inflammatory, skin, and hormonal health benefits. Verywell Health and WebMD both recognize GLA as a key ingredient in nutritional wellness.

How Does GLA Work in the Body? (Omega-6 vs. Omega-3 Explained)

GLA is derived from linoleic acid (the main omega-6 in vegetable oils) and, via the enzyme delta-6-desaturase, is converted into DGLA (dihomo-gamma-linolenic acid). This process is crucial because DGLA serves as a precursor to anti-inflammatory compounds (prostaglandins), helping to regulate inflammation, support skin barrier function, and balance hormones.

GLA and Fatty Acid Families at a Glance:

Aspect

Omega-6: GLA

Omega-3: EPA/DHA

Main Sources

Borage, primrose, black currant oils

Fish oil, flaxseed

Conversion

Converts to DGLA (anti-inflammatory)

EPA/DHA reduce systemic inflammation

Core Benefits

Skin health, hormone support, localized inflammation

Heart, brain, whole-body inflammation

Typical Diet Balance

Excess omega-6 can promote inflammation if not balanced with omega-3

Omega-3 balances omega-6 effects

Maintaining the right omega-6/omega-3 ratio is key; GLA’s unique metabolic pathway allows it to counteract some of the negative effects of excessive dietary omega-6 (like arachidonic acid).

Science-Backed Health Benefits of GLA

Current clinical and scientific reviews indicate:

  • Skin Health: GLA may improve skin hydration, barrier function, and is used to help with eczema and overall dryness.

  • Anti-Inflammatory Action: Supports the body’s production of anti-inflammatory molecules and may help with conditions like arthritis or inflammatory discomfort.

  • Hormonal Balance: Common in supplements for premenstrual syndrome (PMS), menopausal discomfort, and general women’s health.

  • Potential Cardiovascular Support: Ongoing research is exploring benefits for heart health and neuropathy.

Learn more: RXList GLA Supplement Info

Real-World Supplement Use: Choosing GLA for Wellness

If you are considering a GLA supplement:

  • Evaluate Source Quality: GLA content is highest in borage oil (up to 24%), followed by black currant (15%) and evening primrose (9%).

  • Look for Third-Party Testing: Trustworthy products—like those formulated and carefully selected by Naxttii Health—rely on pure, high-quality plant oils, with stringent third-party testing and science-backed dosages.

  • Who Might Benefit? Adults seeking daily anti-aging support, improved skin and hair, or help managing hormonal swings, may all benefit from GLA.

Mini-Case: Jessica, a busy professional and Naxttii Health user, struggled with dry skin and PMS symptoms. After introducing a GLA-rich supplement from a trusted brand, she reported noticeable improvements in skin softness and monthly comfort—typical of results seen in clinical research.

Tip: Always consult your healthcare provider before starting any omega-6 supplement, especially if you have underlying health conditions or take medication.

Related Terms & Further Reading

Why Choose Naxttii Health for Optimal Wellness?

Naxttii Health specializes in sourcing and formulating science-backed nutritional supplements for men’s health, immune resilience, anti-aging, energy, and more. Our commitment to clinical rigor, quality ingredients, and daily health empowerment means you can supplement with confidence. Discover GLA-rich solutions in our catalog, or explore personalized wellness advice tailored for your goals.

Start your journey to vibrant health: Visit Naxttii Health

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Poseidon

Master of Nutritional Epidemiology, University of Copenhagen, Herbal Functional Nutrition Researcher

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