Turmeric vs Curcumin: What's the Difference?

27. september 2026

Turmeric is the golden spice made from the root of the Curcuma longa plant, and curcumin is the main active compound inside it. Curcumin makes up only a few percent of turmeric powder, and most studies on turmeric's health effects have used concentrated curcumin extracts at doses far above what cooking provides. Because curcumin is poorly absorbed on its own, how a supplement is made matters as much as the dose on the label.

What Is the Difference Between Turmeric and Curcumin?

Curcumin is the main active compound in turmeric and the source of its yellow colour. It belongs to a group called curcuminoids, alongside two close relatives, demethoxycurcumin and bisdemethoxycurcumin (1). First isolated in the early 19th century, it has since become one of the most studied plant compounds in nutrition (2).

Turmeric is the dried, ground root, used in South Asian cooking and traditional medicine for thousands of years. An analysis of commercial spice products found that pure turmeric powders contained an average of 3.14% curcumin by weight (3). Many conventional curcumin extracts, by contrast, are standardised to around 95% total curcuminoids, so a spoonful of turmeric in your curry or golden latte delivers far less curcumin than a concentrated extract.

Why Is Curcumin Hard to Absorb?

Taken on its own, very little curcumin reaches your blood. It is poorly absorbed, broken down quickly and cleared fast (1).

Piperine, the compound that gives black pepper its bite, slows the enzymes in your gut and liver that tag curcumin for removal (4). A small 1998 study found that adding 20 mg of piperine to 2 g of curcumin raised its bioavailability by up to 2000% (5). The combination has since been used in around 20 randomised trials, typically at 500 to 1,500 mg of curcumin with 5 to 15 mg of piperine (6). Not every study agrees on the size of the boost: a 2025 study in nine healthy men found no increase in free curcumin in the blood (7).

Liposomal curcumin wraps the compound in tiny phospholipid bubbles designed to protect it during digestion. In a 2026 trial, a coated nano-liposomal curcumin produced much higher blood levels than standard curcumin (8), while a 2021 study comparing eight formulations found no increase with the liposomal product it tested (9). Results from one liposomal product don't automatically apply to another.

Two products with the same number on the label may deliver very different amounts to your bloodstream. See the best way to take curcumin for bioavailability for tips on timing and food.

What Do Human Studies on Curcumin Show?

Most human trials have used concentrated curcumin extracts, often in specific formulations, so their findings don't apply to turmeric as a spice.

Inflammation

A meta-analysis of 32 randomised controlled trials involving 2,038 participants found significant reductions in several inflammatory markers, including C-reactive protein, IL-6 and TNF-α (10).

Studies in People With Arthritis

A review of 29 randomised trials involving 2,396 people with different types of arthritis found that curcumin and turmeric extract improved pain and inflammation and was well tolerated. The authors noted that many trials were small and of low quality (11).

Healthy Ageing

Curcumin is studied in healthy-ageing research because it interacts with inflammatory and oxidative-stress pathways involved in ageing (12). Human trials have looked at specific outcomes in older adults, such as cognition and muscle health, though long-term human evidence remains limited (13).

Is Curcumin Safe?

Curcumin supplements are generally well tolerated, with digestive upset the most common side effect. They may be unsafe during pregnancy, and rare cases of liver injury have been reported, so see a doctor if you notice dark urine or yellowing skin (14). If you take medication, check with your doctor or pharmacist first, especially before using a product with piperine (15).

How Can You Add Turmeric to Your Diet?

Turmeric is one of the easiest spices to add to everyday meals. Curcumin dissolves in fat rather than water, and research comparing supplement formulations shows that keeping it dissolved is key to absorbing it (9). Traditional recipes that pair turmeric with fat are a good place to start:

Use freshly grated root or dried powder. Fresh turmeric holds more water, so you'll need a little more of it.
Stir it into curries, dhals or soups cooked with oil or ghee.
Make a golden latte with whole or a plant milk, plus a pinch of black pepper, which contains piperine.
Add it to scrambled eggs, roasted vegetables or an olive oil dressing.

No study has measured how much curcumin a meal like this delivers, but it's a simple way to make the most of the turmeric you already use.

Turmeric or Curcumin: Which Should You Choose?

Cooking with turmeric is an easy everyday habit, but it won't get you close to the amounts of curcumin used in research. If you want an intake closer to the amounts used in clinical studies, a standardised curcumin supplement is the more comparable option, though different formulations are not interchangeable when their absorption differs. See how much curcumin to take for more on dosing.

Augment Life offers two curcumin supplements:

Curcumin with Piperine: 300 mg of Curcuma longa extract standardised to 95% curcuminoids, with 15 mg of piperine per capsule.
Liposomal Curcumin: 200 mg of curcumin per capsule in a sunflower lecithin carrier, without piperine.

Literature Sources

Hewlings SJ, Kalman DS. Curcumin: A Review of Its Effects on Human Health. Foods. 2017;6(10):92. https://doi.org/10.3390/foods6100092
Gupta SC, Patchva S, Koh W, Aggarwal BB. Discovery of curcumin, a component of golden spice, and its miraculous biological activities. Clinical and Experimental Pharmacology and Physiology. 2012;39(3):283-299. https://doi.org/10.1111/j.1440-1681.2011.05648.x
Tayyem RF, Heath DD, Al-Delaimy WK, Rock CL. Curcumin content of turmeric and curry powders. Nutrition and Cancer. 2006;55(2):126-131. https://doi.org/10.1207/s15327914nc5502_2
Heidari H, Bagherniya M, Majeed M, Sathyapalan T, Jamialahmadi T, Sahebkar A. Curcumin-piperine co-supplementation and human health: A comprehensive review of preclinical and clinical studies. Phytotherapy Research. 2023. https://doi.org/10.1002/ptr.7737
Shoba G, Joy D, Joseph T, Majeed M, Rajendran R, Srinivas PS. Influence of piperine on the pharmacokinetics of curcumin in animals and human volunteers. Planta Medica. 1998;64(4):353-356. https://doi.org/10.1055/s-2006-957450
Pan C, Wang S, Yang Y, Hu J, Pan Y. Curcumin-piperine supplementation modulates inflammation, oxidative stress, and cardiometabolic risk: a systematic review of randomized controlled trials. Frontiers in Nutrition. 2026;13:1814168. https://doi.org/10.3389/fnut.2026.1814168
Kroon MAGM, van Laarhoven HWM, Swart EL, van Tellingen O, Kemper EM. A pharmacokinetic study and critical reappraisal of curcumin formulations enhancing bioavailability. iScience. 2025;28(6):112575. https://doi.org/10.1016/j.isci.2025.112575
Kim DS, Kim HK, Ha KC, Jang GH, Park SH, Kim DH, et al. Enhanced bioavailability of a novel double-layered nano-liposomal curcumin (BNT-C060): a randomized, double-blind, clinical trial. Scientific Reports. 2026;16:24863. https://doi.org/10.1038/s41598-026-53709-8
Flory S, Sus N, Haas K, Jehle S, Kienhöfer E, Waehler R, et al. Increasing post-digestive solubility of curcumin is the most successful strategy to improve its oral bioavailability: a randomized cross-over trial in healthy adults and in vitro bioaccessibility experiments. Molecular Nutrition & Food Research. 2021;65(24):e2100613. https://doi.org/10.1002/mnfr.202100613
Ferguson JJA, Abbott KA, Garg ML. Anti-inflammatory effects of oral supplementation with curcumin: a systematic review and meta-analysis of randomized controlled trials. Nutrition Reviews. 2021;79(9):1043-1066. https://doi.org/10.1093/nutrit/nuaa114
Zeng L, Yang T, Yang K, Yu G, Li J, Xiang W, et al. Efficacy and Safety of Curcumin and Curcuma longa Extract in the Treatment of Arthritis: A Systematic Review and Meta-Analysis of Randomized Controlled Trial. Frontiers in Immunology. 2022;13:891822. https://doi.org/10.3389/fimmu.2022.891822
Izadi M, Sadri N, Abdi A, Raeis Zadeh MM, Jalaei D, Ghazimoradi MM, et al. Longevity and anti-aging effects of curcumin supplementation. GeroScience. 2024. https://doi.org/10.1007/s11357-024-01092-5
Nunes YC, Mendes NM, Pereira de Lima E, Chehadi AC, Lamas CB, Haber JFS, et al. Curcumin: A Golden Approach to Healthy Aging: A Systematic Review of the Evidence. Nutrients. 2024;16(16):2721. https://doi.org/10.3390/nu16162721
National Center for Complementary and Integrative Health. Turmeric. Updated April 2025. https://www.nccih.nih.gov/health/turmeric
Bhardwaj RK, Glaeser H, Becquemont L, Klotz U, Gupta SK, Fromm MF. Piperine, a major constituent of black pepper, inhibits human P-glycoprotein and CYP3A4. Journal of Pharmacology and Experimental Therapeutics. 2002;302(2):645-650. https://doi.org/10.1124/jpet.102.034728