Kirkland Signature turmeric Review

The Kirkland Signature Turmeric 1000 mg offers a robust dietary supplement designed to support a healthy inflammation response and provide significant antioxidant benefits. Each serving delivers 1000 mg of Turmeric Root Extract, standardized to contain 95% Curcuminoids, equating to 950 mg of this potent active compound. To enhance absorption and efficacy, the formulation also includes 10 mg of Black Pepper Fruit Extract, standardized to 95% Piperine (9.5 mg). This product comes in a bottle of 320 vegetarian capsules, providing a substantial 160-day supply when taken as directed. Kirkland Signature emphasizes quality and transparency, with this Turmeric supplement being United States Pharmacopeia (USP) Verified. This verification signifies that the product rigorously meets USP's stringent testing, review, and auditing criteria. Consumers can trust that the capsules contain the ingredients listed on the label in their declared strength and amounts, are free from harmful levels of specified contaminants like heavy metals and pesticides, and will properly break down and dissolve within a specified timeframe to allow for optimal absorption of the dietary ingredients. Furthermore, the USP Verified Mark confirms compliance with FDA Good Manufacturing Practices, ensuring sanitary and well-controlled production processes. The suggested use for adults is two capsules daily with a meal. While generally beneficial, it is crucial to consult a doctor before using this product if you are currently taking medication or have any existing medical conditions. Specific warnings advise against use if pregnant, nursing, or if you have a history of gallstones, bile duct obstruction, or issues related to liver or blood clotting. Users are also cautioned to discontinue use and seek medical attention if symptoms of liver problems, such as fatigue, jaundice, or dark urine, develop. The product is not intended for persons under 18 years of age and should be stored tightly closed at room temperature, out of reach of children. This Kirkland Signature Turmeric supplement is also noted to be gluten-free, aligning with various dietary preferences. It is important to remember that these statements have not been evaluated by the Food and Drug Administration, and the product is not intended to diagnose, treat, cure, or prevent any disease.

Product Focus: Healthy AgingAlso graded for:Joints and MobilityLiver HealthLungs and BreathingAlso covers:Immune systemMetabolismHeartDigestionMuscles and joints
Tier ⓘ
Members see this product's tier and why. Tiers run from 1, the strongest evidence, to 5. How we grade →
Evidence ⓘ
How strongly the evidence says this product works: human studies count most, then real reviews, then our biohacker panel.
Positive Reviews
Biohacker Mentions
Study, Trial or Testing Result SummaryMembersHuman studies

This product gives 1000 mg of turmeric extract and 10 mg of black pepper extract a day. Both are at or the doses used in studies. …

Members see the full analysis, checked against their own meds and goals. Start My 7-Day Free Trial →

Review Totals and SummaryMembers670 reviews
670 reviews · Costco 478 · Amazon 182 · EBay 9 · Walmart 1

Kirkland Signature turmeric has garnered approximately 670 ratings across various stores, with star-rated reviews giving it either 4 or 5 stars. This indicates a generally level of customer . **What it did for them** customers report , particularly in inflammation and alleviating various types of pain. …

Members see the full analysis, checked against their own meds and goals. Start My 7-Day Free Trial →

Biohacker SummaryMembersWhat our biohacker panel says

Turmeric and its active part, curcumin, get a favorable but careful reception: about half the panel it and take it, mainly to calm inflammation, with other reasons including joint pain, liver , brain function and mood. On form, one panelist takes a phytosomal curcumin because it absorbs far , another takes curcumin to avoid the oxalate in whole turmeric, and one panelist takes about one gram of turmeric a day. …

Members see the full analysis, checked against their own meds and goals. Start My 7-Day Free Trial →

RAL SummaryMembersThe tier and why
More DetailsMembersBody systems · Combine with · Possible side effects

Body systems: Immune system, Metabolic system, Cardiovascular system, Digestive system, Musculoskeletal system. Combine with and possible side are for members.

Members see the full analysis, checked against their own meds and goals. Start My 7-Day Free Trial →

Supplement FactsTurmeric root extract 1000 mg · Black Pepper fruit extract 10 mg
Supplement Facts
Serving Size 2 capsules
Servings Per Container 120
Amount Per Serving% Daily Value
Turmeric (Curcuma longa) root extract (Standardized to 95% curcuminoids, 950 mg)1,000 mg†
Black Pepper (Piper nigrum) fruit extract (Standardized to 95% piperine, 9.5 mg)10 mg†
† Daily Value not established.

Directions: Adults

Barcode (UPC) 096619104536 · Label source: the brand's label · Report a label change

Where to BuyAmazon · Walmart · Costco
AmazonBuy ↗
WalmartBuy ↗
CostcoBuy ↗

We sell no supplements. Prices change; check the store.

Graded October 23, 2026 by the Reverse Age Lab evidence engine, from human studies, real reviews and our biohacker panel. How we grade. Is this medical advice? No. Rala organizes the published evidence; go over any change with your doctor, especially if you take meds.