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 14 of 17), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Primrose OilProgressive Professional from Progressive Laboratories36 mg
- Pro-Equalizer Protein CapsulesDouglas Laboratories · off the marketin a blend
- Pro-Equalizer Protein PowderDouglas Laboratoriesin a blend
- ProEFA JuniorNordic Naturals35 mg
- ProEFA-3-6-9 LemonNordic Naturals70 mg
- Prosta-Pro Support PackDouglas Laboratories10 mg
- PS IQ Memory With EFA-Rich OilsNatural Factors PS Factor · off the market30 mg
- PS-IQ MemoryNatural Factors PS Factor30 mg
- Pure Burn XSKaraMD50 mg
- Pure Hawaiian Spirulina PacificaNutrex Hawaii · off the market32 mg
- Pure Hawaiian Spirulina Pacifica 1,000 mg Spearmint FlavorNutrex Hawaii · off the market32 mg
- Pure Hawaiian Spirulina Pacifica 3,000 mgNutrex Hawaii · off the market32 mg
- Pure Hawaiian Spirulina pacifica 500 mgNutrex Hawaii · off the market32 mg
- Quell Fish Oil EFA PlusDouglas Laboratories100 mg
- QuellGelNature's Edge · off the market38 mg
- Quench TG-1000VisiVite18 mg
- Red CarpetHUM150 mg
- RegenerationNaturesPlus6.3 mg
- Restore FXNorthStar Nutritionals50 mg
- Revolution Abdominal Cuts GreenCorr-Jensen Labsin a blend
- Royal Brittany Evening Primrose OilAmerican Health · off the market45 mg
- Royal Brittany Evening Primrose Oil 500 mgAmerican Health45 mg
- Rx Omega-3 Women's BlendNatural Factors WomenSense · off the market50 mg
- RxOmega-3Natural Factors WS WomenSense50 mg
- Salmon Oil and GLACarlson · off the market40 mg
- Sendara PlusPatient One MediNutritionals · off the market90 mg
- Seriously Delicious Total Omega Pomegranate Blueberry SmoothieBarlean's400 mg
- Skin Hair Nails SupplementKala Health12 mg
- Skin Support PackDouglas Laboratories40 mg
- Smart BlendMRM · off the market80 mg
- Smart BlendMRM Nutrition80 mg
- Smart FocusHigher Nature Kids · off the market15 mg
- Smart Focus Intensely Fruity Flavoured JelliesHigher Nature Kids15 mg
- SmartStartHigher Nature50 mg
- Spectra ManDaVinci Laboratories Of Vermont · off the market5 mg
- Spectra ManDaVinci Laboratories5 mg
- Spectra SeniorDaVinci Laboratories Of Vermont · off the market2.5 mg
- Spectra SeniorDaVinci Laboratories2.5 mg
- Spectra WomanDaVinci Laboratories of Vermont · off the market5 mg
- Spectra WomanDaVinci Laboratories5 mg
- SpirulinaGaia Organics DailyWellness · off the market8 mg
- SpirulinaNoevir30 mg
- SpirulinaNew Sun215 mg
- SpirulinaNatural Elements30 mg
- SpirulinaZHOU30 mg
- Spirulina 4,300 mgNew Sun · off the market215 mg
- Spirulina 500 mgHerbal Secrets · off the market13 mg
- Spirulina 500 mg TabletsHealth Ranger Select46 mg
- Spirulina Gold PlusEarthrise30 mg
- Spirulina Natural CapsulesEarthrise30 mg