Quercetin and Curcumin C3 Complex®

  • Two bottles of Sandhus Nutrition supplements on a white background
  • Sandhus Curcumin C3 Complex supplement bottle highlighting benefits including joint mobility, joint discomfort relief, oxidative stress support, and healthy metabolism.
  • Smiling woman with flowers beside Sandhu’s Quercetin supplement bottle promoting natural support for seasonal allergies.
  • Man and woman doing outdoor stretching exercises with Sandhus Curcumin supplement bottle and text stating helps maintain joint comfort naturally
  • Smiling man jogging with Sandhu’s supplement infographic highlighting gluten free, soy free, dairy free, USA made, third-party tested.
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Immune Response Joint Health Antioxidant Support

Quercetin and Curcumin C3 Complex®

Quercetin and Curcumin C3 Complex®

Immune Response Joint Health Antioxidant Support

Quercetin and Curcumin C3 Complex®

Quercetin and Curcumin C3 Complex®

• Helps eases seasonal allergies by keeping immune system balanced year-round.
• Helps reduce oxidative stress from cells through free radical neutralization.
• Helps healthy joint mobility and comfort by supporting cartilage structure.
• Assists in healthy cellular activity by supporting mitochondrial efficiency.

Sandhu’s Quercetin and Curcumin C3 Complex® Bundle combine two effective phytonutrients for natural immune and joint health support. Quercetin, derived from Sophora japonica flower buds, helps immune balance and cellular health. Curcumin C3 Complex®, enhanced with BioPerine® black pepper extract, supports joint comfort, metabolic balance, and overall vitality. Together, they deliver natural support for comfortable movement, flexibility and overall immune wellness.

Quercetin Vegetarian Capsules:
Quercetin (as Quercetin Dihydrate)
Japanese Sophora (Sophora japonica) Flower Bud Extract
Curcumin C3 Complex with Bioperine®:
Turmeric (Curcuma longa) Root Extract (Curcumin C3 Complex®), Black Pepper (Piper nigrum) Fruit Extract (BioPerine®)

Other ingredients:
Quercetin Vegetarian Capsules: Vegetable Cellulose Capsules, Vegetable Calcium Stearate
Curcumin C3 Complex with Bioperine®: Vegetable cellulose capsules, MCT powder, Contains Tree Nuts (Coconut)

Quercetin Vegetarian Capsule:
Take 2 capsules a day, preferably with meals or as suggested by your health care provider.

Curcumin C3 Complex with Bioperine®:
Take 1 capsule daily with food or as recommended by your healthcare professional.

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Our Quality Promise

Formulated with research based ingredients to maximize results.

  • gluten free

    Gluten Free

  • soy free-quality-No allergens

    Soy Free

  • Dairy free-No milk products

    Dairy Free

  • No unnecessary fillers

    No Unnecessary Fillers

  • third party tested supplements-quality check independent testing-trusted quality-quality

    Third Party Tested

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    GMP Certified Facility

Each batch undergoes rigorous testing to ensure it meets our high standards when it comes to quality and effectiveness.

Sandhu’s Quercetin supplement bottle with three women jogging outdoors, promoting natural immune support and active wellness.

Why Sandhu’s Quercetin?​

Your immune system is made up of cells, tissues, and organs that work together to keep you safe from harmful invaders. Taking care of your immune system by considering quality supplements is one of the essential step to reach your wellness goal.* To help address this, Sandhus Nutrition came up with a quercetin supplement formulated using 95% standardized quercetin extract from ‘Sophora japonica’ flower buds.*

curcumin-and-bioperine-supplement

Why Sandhu’s Curcumin Blend?​

All Natural | Highly Standardized | High Absorption Curcumin*

Turmeric curcumin, a traditional spice is well known to support maintaining healthy joint.*

Yet, delivering its complete benefits with the use of regular turmeric powder is questionable, due to its less absorbability.

This is where Sandhu’s Curcumin C3 Complex® steps in. Blended with highly standardized curcuminoids and BioPerine®, our high absorbing curcumin supplement helps maintain your joint health naturally.*

Two Effective Bioflavonoids For Healthy Living!*Two Effective Bioflavonoids For Healthy Living!*

Are you looking for a natural way to support your immune system, cardiovascular health, and joint mobility? If so, you can try Sandhu’s Quercetin and Sandhu’s Curcumin C3 Complex, two powerful supplements that work together to provide you with multiple health benefits.

95% Highly Standardized Quercetin

Quercetin is a bioflavonoid that has antioxidant properties.* It helps your cells from oxidative stress, modulate your immune responses, and support your respiratory health.* Sandhu’s Quercetin is a highly standardized extract only from the flower buds of Japanese sophora trees and has superior bioavailability.*

20 Fold- High Absorption Curcumin

Curcumin is the key phytonutrient of turmeric, a spice that has been used for centuries in traditional medicine. Curcumin has antioxidant, and metabolic effects.* It helps ease occasional joint discomfort, and maintain healthy cell function.* Sandhu’s Curcumin C Complex is made with 95% standardized curcumin with black pepper extract.*

1. Panahi Y, Rahimnia AR, Sharafi M, et al. Curcuminoid treatment for knee osteoarthritis: A randomized double‐blind placebo‐controlled trial. Phytother Res. 2014 Nov;28(11):1625-31.

2. Delecroix B, Leduc C, Dawson B, Dupont G. Curcumin and piperine supplementation and recovery following exercise-induced muscle damage: A randomized controlled trial. J Sports Sci Med. 2017 Mar;16(1):147.

3. Panahi Y, Khalili N, Sahebi E, et al. Curcuminoids plus piperine modulate adipokines in type 2 diabetes mellitus. Curr Clin Pharmacol. 2017 Nov 1;12(4):253-8.

4. Peterson CT, Vaughn AR, Sharma V, et al. Effects of turmeric and Curcumin dietary supplementation on human gut microbiota: A double-blind, randomized, placebo-controlled pilot study.

5. Ganjali S, Sahebkar A, Mahdipour E, et al. Investigation of the effects of Curcumin on serum cytokines in obese individuals: a randomized controlled trial. Sci World J. 2014 Feb 11;2014.

6. Rai B, Kaur J, Jacobs R, Singh J. Possible action mechanism for Curcumin in pre-cancerous lesions based on serum and salivary markers of oxidative stress. J Oral Sci. 2010;52(2):251-6.

7. Cheng D, Li W, Wang L, et al. Pharmacokinetics, pharmacodynamics, and PKPD modeling of Curcumin in regulating antioxidant and epigenetic gene expression in healthy human volunteers. Mol Pharm. 2019 Mar 12;16(5):1881-9.

8. Panahi Y, Sahebkar A, Amiri M, et al. Improvement of sulphur mustard-induced chronic pruritus, quality of life and antioxidant status by Curcumin: results of a randomised, double-blind, placebo-controlled trial. Br J Nutr. 2012 Oct;108(7):1272-9.

9. Sahebkar A, Mohammadi A, Atabati A, et al. Curcuminoids modulate pro‐oxidant–antioxidant balance but not the immune response to heat shock protein 27 and oxidized LDL in obese individuals. Phytother Res. 2013 Dec;27(12):1883-8.

10. El-Bahr SM. Curcumin regulates gene expression of insulin-like growth factor, B-cell CLL/lymphoma 2, and antioxidant enzymes in streptozotocin-induced diabetic rats. BMC Complement Altern Med. 2013 Dec;13(1):1-1.

11. El‐Bahr SM. Effect of Curcumin on hepatic antioxidant enzymes activities and gene expressions in rats intoxicated with aflatoxin B1. Phytother Res. 2015 Jan;29(1):134-40.

12. Chuengsamarn S, Rattanamongkolgul S, Phonrat B, et al. Reduction of atherogenic risk in patients with type 2 diabetes by curcuminoid extract: a randomized controlled trial. J Nutr Biochem. 2014 Feb 1;25(2):144-50.

13. Panahi Y, Khalili N, Sahebi E, et al. Antioxidant effects of Curcuminoids in patients with type 2 diabetes mellitus: a randomized controlled trial. Inflammopharmacology. 2017 Feb;25:25-31.

14. Askari G, Ghiasvand R, Feizi A, et al. The effect of quercetin supplementation on selected markers of inflammation and oxidative stress. J Res Med Sci. 2012 Jul;17(7):637.

15. Tsao JP, Bernard JR, Hsu HC, et al. Short-Term Oral Quercetin Supplementation Improves Post-exercise Insulin Sensitivity, Antioxidant Capacity and Enhances Subsequent Cycling Time to Exhaustion in Healthy Adults: A Pilot Study. Front Nutr. 2022:872.

16. Yu CS, Lai KC, Yang JS, et al. Quercetin inhibited murine leukemia WEHI‐3 cells in vivo and promoted immune response. Phytother Res. 2010 Feb;24(2):163-8.

17. Di Pierro F, Derosa G, Maffioli P, et al. Possible therapeutic effects of adjuvant quercetin supplementation against early-stage COVID-19 infection: a prospective, randomized, controlled, and open-label study. Int J Gen Med. 2021 Jun 8:2359-66.

18. Lesjak M, Beara I, Simin N, et al. Antioxidant and anti-inflammatory activities of quercetin and its derivatives. J Funct Foods. 2018 Jan 1;40:68-75.

19. Lee KH, Park E, Lee HJ, et al. Effects of daily quercetin-rich supplementation on cardiometabolic risks in male smokers. Nutr Res Pract. 2011 Feb 1;5(1):28-33.

20. Hubbard GP, Wolffram S, Lovegrove JA, Gibbins JM. Ingestion of quercetin inhibits platelet aggregation and essential components of the collagen‐stimulated platelet activation pathway in humans. J Thromb Haemost. 2004 Dec 1;2(12):2138-45.

21. Edwards RL, Lyon T, Litwin SE, et al. Quercetin reduces blood pressure in hypertensive subjects. J Nutr. 2007 Nov 1;137(11):2405-11.

22. Egert S, Bosy-Westphal A, Seiberl J, et al. Quercetin reduces systolic blood pressure and plasma oxidised low-density lipoprotein concentrations in overweight subjects with a high-cardiovascular disease risk phenotype: a double-blinded, placebo-controlled cross-over study. Br J Nutr. 2009;102(7):1065-74.

23. Duarte J, Pérez‐Palencia R, Vargas F, et al. Antihypertensive effects of the flavonoid quercetin in spontaneously hypertensive rats. Br J Pharmacol. 2001 May;133(1):117-24.

24. Romero M, Jiménez R, Sánchez M, et al. Quercetin inhibits vascular superoxide production induced by endothelin-1: Role of NADPH oxidase, uncoupled eNOS and PKC. Atherosclerosis. 2009 Jan 1;202(1):58-67.

25. Heinz SA, Henson DA, Austin MD, et al. Quercetin supplementation and upper respiratory tract infection: A randomized community clinical trial. Pharmacol Res. 2010 Sep 1;62(3):237-42.

26. Daneshvar P, Hariri M, Ghiasvand R, et al. Effect of eight weeks of quercetin supplementation on exercise performance, muscle damage and body muscle in male badminton players. Int J Prev Med. 2013 Apr;4(Suppl 1)

Frequently Asked Questions

1. What is Quercetin and how does it support health?

Quercetin is a plant-based compound known for its strong antioxidant and immune-supportive benefits. This naturally occurring flavonoid antioxidant helps ease oxidative stress by neutralizing free radicals and supports cellular health. Quercetin also plays a key role in immune signaling, helping your immune system respond efficiently. This makes it a perfect support for seasonal wellness. Its gentle, daily use supports balanced immune response, and overall vitality throughout the year.

2. What is Curcumin C3 Complex® and how is it different from regular turmeric?

Curcumin C3 Complex® is a turmeric root extract that delivers 95% standardized curcuminoids—the most active and beneficial compounds found in turmeric. It is known for its enhanced bioavailability, which means your body can absorb and use it more efficiently than regular turmeric.
Curcumin C3 Complex® supports healthy mobility and comfort in the joints, helping with flexibility and ease of movement in daily life. Its rich antioxidant properties support healthy antioxidant response.

3. Who may benefit most from this bundle?

This bundle is thoughtfully designed for individuals who want to stay active, balanced, and well throughout the year.
• The combination of Quercetin and Curcumin offers gentle, natural support for those who prefer plant-based wellness approaches.
• It’s a great choice for active adults who value joint comfort and mobility.
• It also fits well for immune-conscious users looking to support strong immune system and antioxidant balance.
• Together, they help immune health & comfortable mobility, making it an ideal choice for wellness seekers focused on long-term vitality and daily balance.

4. How should I take Quercetin and Curcumin supplements for best results?

Both supplements are crafted for simple daily use and optimal absorption.
• Quercetin: Take 2 capsules a day, preferably with meals or as suggested by your healthcare provider.
• Curcumin: Take 1 capsule daily with food or as recommended by your healthcare professional.
Timing optimization and meal pairing supports better absorption, and helps deliver maximum benefits.

5. What are the key ingredients?

Each supplement is formulated using high-quality plant-based extracts that delivers active plant compounds to support optimal wellness.
• Sandhu’s Quercetin: Formulated with quercetin obtained from the flower buds of ‘Sophora japonica’ also known as the ‘Japanese pagoda tree’, which is known to harness the highest content of this natural flavonoid.
• Sandhu’s Curcumin C3 Complex®: Made with turmeric Root Extract that delivers 95% standardized curcuminoids to support antioxidant balance and joint comfort.
It also includes Black Pepper Fruit Extract (BioPerine®), delivering 95% standardized piperine for better absorption of these nutrients.
Together, these standardized extracts create a powerful foundation for immune, joint, and antioxidant support.