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 6 of 17), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Evening Primrose OilDaVinci Laboratories205 mg
- Evening Primrose OilApproved Science200 mg
- Evening Primrose OilBioCare90 mg
- Evening Primrose Oil & CranberryWonder Laboratories45 mg
- Evening Primrose Oil (1,000 mg)Windmill90 mg
- Evening Primrose Oil 1,000 mgNature's Answer90 mg
- Evening Primrose Oil 1,000 mgSpring Valley90 mg
- Evening Primrose Oil 1,300 mgVitaCeutical Labs130 mg
- Evening Primrose Oil 1,300 mgVSN Vital Strength Nutrition · off the market130 mg
- Evening Primrose Oil 1,300 mgOL Olympian Labs117 mg
- Evening Primrose Oil 1,300 mgVillage Vitality · off the market130 mg
- Evening Primrose Oil 1,300 mgNewtonEverett117 mg
- Evening Primrose Oil 1,300 mgAN Amazing Nutrition Amazing Formulas117 mg
- Evening Primrose Oil 1,300 mgVitamin Discount Center · off the market117 mg
- Evening Primrose Oil 1,300 mgHerbal Secrets · off the market130 mg
- Evening Primrose Oil 1,300 mgRon Teeguarden Nutraceuticals117 mg
- Evening Primrose Oil 1,300 mgWonder Laboratories117 mg
- Evening Primrose Oil 1,350 mgSource Naturals135 mg
- Evening Primrose Oil 1000 mgSundown Naturals90 mg
- Evening Primrose Oil 1000 mgVitamin World90 mg
- Evening Primrose Oil 1000 mgNature's Harmony92 mg
- Evening Primrose Oil 1000 mgRadiance90 mg
- Evening Primrose Oil 1000 mgRadiance Platinum90 mg
- Evening Primrose Oil 1000 mgPuritan's Pride90 mg
- Evening Primrose Oil 1000 mgNature's Bounty90 mg
- Evening Primrose Oil 1000 mgNatrol45 mg
- Evening Primrose Oil 1000 mgDC90 mg
- Evening Primrose Oil 1000 mgPatient One MediNutritionals90 mg
- Evening Primrose Oil 1000 mgTRUNATURE100 mg
- Evening Primrose Oil 1000 mgSwiss BioEnergetics90 mg
- Evening Primrose Oil 1000 mgWonder Laboratories90 mg
- Evening Primrose Oil 1000 mgup&up90 mg
- Evening Primrose Oil 1000 mgMountain Meadow Herbs100 mg
- Evening Primrose Oil 1000 mg - GLA 90 mgVital Nutrients90 mg
- Evening Primrose Oil 1000 mg - Vegan FormulaNOW90 mg
- Evening Primrose Oil 1000 mg Cold-PressedQuest · off the market92 mg
- Evening Primrose Oil 1300 mcgO Orgeuos130 mg
- Evening Primrose Oil 1300 mgVitamin World117 mg
- Evening Primrose Oil 1300 mgViva Vitamins117 mg
- Evening Primrose Oil 1300 mgVitabase117 mg
- Evening Primrose Oil 1300 mgLifestyle Fitness & Nutrition117 mg
- Evening Primrose Oil 1300 mgNewflower Farmers Markets117 mg
- Evening Primrose Oil 1300 mgMartin Avenue Pharmacy117 mg
- Evening Primrose Oil 1300 mgPhysioLogics · off the market117 mg
- Evening Primrose Oil 1300 mgSolgar · off the market117 mg
- Evening Primrose Oil 1300 mgThe Vitamin Shoppe76 mg
- Evening Primrose Oil 1300 mgSmoky Mountain Nutrition130 mg
- Evening Primrose Oil 1300 mgGNC Women's100 mg
- Evening Primrose Oil 1300 mgMicro Ingredients · off the market120 mg
- Evening Primrose Oil 1300 mgViva Naturals130 mg