FAQs Page - Mar 7, 15:06:28

FAQ

What is your refund policy?

Refund Policy

We are happy to offer a full refund on any orders before shipment or unopened.
Before Shipment: We offer a full refund for orders that have not yet been shipped. If you wish to cancel your order before it has been dispatched, please contact our customer service team promptly.

- **After Shipment**: If your order has already been shipped, you may return the unopened package to us. Once we receive the returned package and confirm it is unopened and in its original condition, we will process a reimbursement. Please note that the buyer is responsible for return shipping costs.

What is your return policy if I opened the package?

For the safety and well-being of our customers, we cannot accept returns if the product has been opened or used. This policy ensures the integrity and quality of our health and wellness products.

How do I track my order?

Once your order has shipped, you will receive a tracking number via email. You can use this tracking number on the Shipping Carrier you selected.

Can I cancel or modify my order?

We try to process orders as quickly as possible, but if you need to modify or cancel your order, please contact our customer service team as soon as possible. We'll do our best to accommodate your request.

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Is methylene blue safe to use?

Methylene blue has been used in clinical and research settings for over a century, and when used at appropriate low doses, it is generally considered well-tolerated.

Current studies exploring low-dose methylene blue have reported encouraging findings related to cognitive function and cellular metabolism. In these controlled environments, participants typically experienced good overall tolerance with minimal adverse effects when used responsibly.

As with any supplement, individual responses can vary. Anyone with medical conditions, or those taking medications (especially SSRIs or serotonergic drugs), should consult a qualified professional before use.

FDA Disclaimer

All products sold through this website have not been evaluated by the U.S. Food and Drug Administration (FDA). These products are not intended to diagnose, treat, cure, or prevent any disease. Customers are advised to consult with a qualified healthcare provider before using any of the products offered for sale on this website.

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Is your Methylene Blue pharmaceutical grade?

Yes. Reviv Health uses USP-grade / high-purity Methylene Blue, which is the standard used in scientific and laboratory settings.

Every batch is tested for:

We believe transparency matters, which is why we only source verified, high-quality material.

LAB Test Results

How Should I Take Methylene Blue?

For wellness and cognitive-support purposes start with 3–5 drops in 4–8 oz of water, daily. Best time to use it is in the morning or during the day to fight that mid-day crash. Most users notice a difference within 3–7 days.

Are there any side effects?

Some people report mild side effects such as:

Digestive discomfort

Headaches

Restlessness

Blue urine or stool (normal and harmless)

More serious side effects can occur when combined with medications or taken in high doses.

Always use responsibly and stay within safe boundaries.

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How long does it take to feel anything?

Experiences vary — some people report feeling effects within hours, while others notice changes only with consistent use.