Immune Stack (Quercetin + Zinc)
Product Information
Product Information
Description
Description
Quercetin is a heavily researched bioflavonoid which is found naturally in many fruits and vegetables. Quercetin is a potent antioxidant and is believed to help support healthy blood glucose management and immune system health. Quercetin has also been shown to be a zinc ionophore, and when taken with Zinc it can help increase intracellular zinc levels.
Zinc is an essential mineral which is used in countless bodily processes. Zinc and Quercetin work especially well together to support immune system function due to Quercetin’s effect as a Zinc ionophore.
Directions & Dosage
Directions & Dosage
Shop Promise Limited Guarantee
Shop Promise is a limited delivery guarantee provided by Shopify that offers customers fast and reliable delivery dates for eligible orders.
âś… Eligibility
- This limited guarantee applies only to orders paid using Shop Pay.
- The estimated delivery date shown at checkout is based on our fulfillment times and carrier performance.
- The Shop Promise badge appears only on products and orders that meet Shopify's criteria for this guarantee.
đź’µ Late Delivery Compensation
If your order arrives after the Shop Promise delivery date, you may be eligible to receive Shop Cash from Shopify. If this is your first claim, and you didn't use Shop Pay during checkout, then you need a verified Shop and Shop Pay account to make a claim. Login to your Shop account and then follow the steps below.
To claim your Shop Cash:
1. From the Shop app, go to the Orders 
tab.
2. Tap the order that was delivered late.
3. Tap the Shop Promise banner that contains the estimated delivery date.
4. Tap Claim your $.
More info: Shop Promise Help Article
đź“Ś Important Notes
- The Shop Promise limited guarantee is administered entirely by Shopify, not by Double Wood Supplements.
- Compensation (Shop Cash) is issued by Shopify and subject to their terms and conditions.
- Shop Cash can be used on future purchases with eligible stores that accept Shop Pay at checkout.
- This guarantee may not apply to orders paid using other payment methods.
If you have additional questions, please reach out to our support team or visit Shopify’s official policy.
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Soy-Free
Gluten-Free
Non-GMO
Vegan
Rooted in Science,
Grounded in Transparency
Double Wood products are backed by research and third-party testing, so you know exactly what you’re putting in your body and why it works.
Because science and transparency aren’t just our standards—they’re our promise.
Frequently Asked Questions
Can you elaborate on the research and development behind your products?
Can you elaborate on the research and development behind your products?
At Double Wood Supplements, we invest heavily in third-party testing to ensure each formula meets the highest quality standards. Every ingredient in the Men’s Health Stack—Tongkat Ali, Fadogia Agrestis, and Turkesterone—is chosen based on available research and tested for purity and potency. We make our Certificates of Analysis available for every product so you know exactly what you’re getting, and that it’s backed by science.
How long will it take to receive my order?
How long will it take to receive my order?
Standard U.S. shipping typically takes 5–7 business days. Expedited shipping options are available at checkout if you need your order sooner.
How do I return a product?
How do I return a product?
Double Wood Supplements has a generous 30-day money back guarantee, which is valid for 30 days after the product is delivered. Please contact customer service and one of our reps will be happy to assist.
