fatty acid
Gamma Linolenic Acid supplements
Half of the 740 gamma linolenic acid supplements in the NIH label database that print an amount list 90 mg or less per serving; the middle half list 42 mg to 160 mg (DSLD version 9.4.0, January 2026).
- Products listing it
- 823740 print an amount; 80 list it inside a blend without an amount
- Median per serving
- 90 mgmiddle half 42 mg to 160 mg
How much gamma linolenic acid do supplements contain?
The median product lists 90 mg per serving. One in ten lists 18 mg or less, one in ten 240 mg or more. The amount printed most often is 45 mg (51 products).
Products by amount of gamma linolenic acid per serving
740 products, log scale; extreme 0.2% at each end left out of the drawing.
| Amount per serving | Products | For example |
|---|---|---|
| 45 mg | 51 | Evening Primrose Oil 500 mg (Vitamin World); Evening Primrose Oil 500 mg (Nature's Bounty); Evening Primrose Oil 500 mg (Vitabase) |
| 50 mg | 40 | Evening Primrose Oil 500 mg (VitaCeutical Labs); Evening Primrose Oil 500 mg (Nature's Harmony); Evening Primrose Oil (Metagenics OmegaGenics) |
| 100 mg | 36 | Flax Primrose Combo (Health From The Sun); Evening Primrose Oil (Health From The Sun); Krill Oil 1000 +Joint Support (GNC Triple Strength) |
| 240 mg | 35 | Cholo-Pak (Douglas Laboratories); GLA 240 Gamma-Linolenic Acid (Designs for Health); Gla-240 (Karuna) |
| 90 mg | 33 | Evening Primrose Oil 1000 mg (Sundown Naturals); Natural Evening Primrose Oil 500 mg (Windmill); EPO Evening Primrose Oil 500 (LifeLink) |
| 117 mg | 28 | Evening Primrose Oil 1300 mg (Vitamin World); Evening Primrose Oil 1300 mg (Viva Vitamins); Evening Primrose Oil 1300 mg (Vitabase) |
| 200 mg | 27 | Borage Oil 1,000 mg (VitaCeutical Labs); Pms (Vitabase); OptiMega-3-6 (Bioclinic Naturals) |
| 40 mg | 25 | Black Currant Capsules (Douglas Laboratories); Skin Support Pack (Douglas Laboratories); Dad's Pack (Douglas Laboratories) |
| 30 mg | 24 | Spirulina Organic Tablets (Earthrise); EPA/Gla (Douglas Laboratories); Kid's Factors Extreme Peach Flavor (Natural Factors) |
| 80 mg | 22 | Ultra Preventive V Plus Chel (Douglas Laboratories); Postpartum Omega Mom (Country Life); Black Currant Oil 535 mg (Vitamin World) |
Source: Supplement Facts rows of every product's current label, NIH ODS Dietary Supplement Label Database version 9.4.0; amounts in one measure (weight).
Which products list the most gamma linolenic acid?
On-market products, per serving, with a plausible amount: the rule leaves out likely entry slips, such as an amount far beyond every other label with no %DV or strength on the label to back it (each product page still shows its own amount, marked).
- Borage-500AOR Advanced Orthomolecular Research Advanced753 mg
- EFA-Sirt SupremeBiotics Research Corporation750 mg
- Super Critical PEOGet Healthy Again750 mg
- Black Seed 1000 mgAmazing Herbs560 mg
- Vegetarian Liquid Omega-3Douglas Laboratories510 mg
- Vegetarian Liquid Omega-3 Delicious Pomegranate/Blueberry FlavorDouglas Laboratories510 mg
- Nordic GLANordic Naturals480 mg
- Gla SapNFH480 mg
Have the amounts changed over the years?
Products whose current label entered DSLD in 2011 list a median of 100 mg; those entered in 2025, 120 mg.
| Year | Products | Median per serving |
|---|---|---|
| 2011 | 23 | 100 mg |
| 2012 | 76 | 70 mg |
| 2013 | 68 | 80 mg |
| 2014 | 50 | 118.5 mg |
| 2015 | 35 | 100 mg |
| 2016 | 35 | 100 mg |
| 2017 | 55 | 70 mg |
| 2018 | 23 | 90 mg |
| 2019 | 34 | 75.5 mg |
| 2020 | 76 | 100 mg |
| 2021 | 71 | 45 mg |
| 2022 | 58 | 50 mg |
| 2023 | 51 | 90 mg |
| 2024 | 55 | 90 mg |
| 2025 | 30 | 120 mg |
Source: DSLD label entry dates and amounts, current labels.
In which products and brands?
Products listing gamma linolenic acid by DSLD product type
Brands listing it most: Douglas Laboratories (27), Barlean's (27), Nature's Way (17), Nordic Naturals (14), Health From The Sun (13), Country Life (11), Source Naturals (11), Wonder Laboratories (10), NOW (10), Solgar (10).
Every product listing gamma linolenic acid
823 products, A to Z by name (page 5 of 17), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- EPO Organic 1000 mgMoss Nutrition100 mg
- Epo SapNFHin a blend
- Essential 3-6-9 Omega Oil BlendHerbal Select140 mg
- Essential Fats Plus Ehank & brian's30 mg
- Essential Fatty Acid ComplexCardiovascular Research33 mg
- Essential Fatty Acid NutritionGNC Women's Ultra Mega50 mg
- Essential Fatty Acid SupportGNC Women's Ultra Mega25 mg
- Essential Fatty Acid SupportGNC Women's25 mg
- Essential Fatty AcidsGNC Women's Ultra Mega20 mg
- Essential Fatty AcidsGNC Women's20 mg
- Essential Fatty Acids 3600MaritzMayer Laboratories · off the marketin a blend
- Essential Muscle LipidsIron-Tek152 mg
- Essential OilsNewtonEverettin a blend
- Essential Omega-3 Natural OrangeProCaps6 mg
- Essential OmegasLogos Nutritionals262 mg
- Essential Omegas 3:6:7:9Higher Nature45 mg
- Essential Prostate PackSupplement Spot262 mg
- Essential WomanBarlean's92 mg
- Essential Woman Chocolate MintBarlean's · off the market100 mg
- Essential Women Omega Swirl Chocolate MintBarlean's · off the market100 mg
- Evening PrimroseNature's Way120 mg
- Evening Primrose 1,300 mgNature's Way120 mg
- Evening Primrose 1300 mgMeijer Naturals117 mg
- Evening Primrose 1300 mgBotanic Choice117 mg
- Evening Primrose 1300 mgSR SportsResearch120 mg
- Evening Primrose 1300 mgHerbal Secrets · off the market117 mg
- Evening Primrose 1300 mgJarrow Formulas130 mg
- Evening Primrose 500 mgOL Olympian Labs · off the market45 mg
- Evening Primrose and Black Currant Seed OilProCaps45 mg
- Evening Primrose Cold-Pressed Oil 1300 mgSports Research120 mg
- Evening Primrose Max StrengthNature's Way · off the market120 mg
- Evening Primrose OilBasic Organics · off the market40 mg
- Evening Primrose OilBronson45 mg
- Evening Primrose OilBiotics Research Corporation40 mg
- Evening Primrose OilMetabolic Maintenance45 mg
- Evening Primrose OilMetagenics OmegaGenics50 mg
- Evening Primrose OilHealth From The Sun100 mg
- Evening Primrose OilNewtonEverett · off the market117 mg
- Evening Primrose OilBarlean's Organic Oils · off the market260 mg
- Evening Primrose OilNature's Answer · off the market195 mg
- Evening Primrose OilProThera · off the market130 mg
- Evening Primrose OilOrtho Molecular Products · off the market117 mg
- Evening Primrose OilGNC Women's100 mg
- Evening Primrose OilAmerican Health Royal Brittany117 mg
- Evening Primrose OilNature's Sunshine45 mg
- Evening Primrose OilBluebonnet135 mg
- Evening Primrose OilKlaire Labs · off the market76 mg
- Evening Primrose OilBarlean's234 mg
- Evening Primrose OilApollo Sun · off the market135 mg
- Evening Primrose OilOregon's Wild Harvest · off the market40 mg