HistX

MCAS & Histamine Support

$49.97

HistX combines 13 powerful ingredients to calm mast cells, reduce histamine, and support immune balance to help you stay aligned through changing seasons, environments, and everyday triggers.

Non-GMO Gluten Free Made in USA
Size

HistX works by combining powerful plant-based flavonoids such as Quercetin and Luteolin with supportive nutrients like Vitamin C and Vitamin B6 to help promote normal histamine levels and encourage a balanced response to environmental stressors. Unlike formulas that rely on a single ingredient, HistX uses a synergistic approach with multiple complementary nutrients to provide more well-rounded support for everyday wellness.

Take 2 capsules daily, preferably with food, or as recommended by your healthcare professional.

Buy More, Save More

Buy More, Save More:
• 3 Bottles – 15% Off
• 6 Bottles – 20% Off
• Subscribe & Save – 10% Off every order
      
 
 
 
HistX
$49.97

Got Questions? We've Got Answers!

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Product Basics

HistX is for anyone who experiences occasional histamine-related discomfort, such as sensitivity to certain foods, seasonal triggers, environmental irritants, or unexplained flare-ups.

It’s especially helpful for those looking for more than a one-ingredient solution, since HistX combines multiple plant-based compounds that work together to support healthy mast cell activity and a balanced histamine response, making it a smart option for people who want comprehensive, daily support rather than quick fixes.

HistX works by combining powerful plant-based flavonoids such as Quercetin and Luteolin with supportive nutrients like Vitamin C and Vitamin B6 to help promote normal histamine levels and encourage a balanced response to environmental stressors. Unlike formulas that rely on a single ingredient, HistX uses a synergistic approach with multiple complementary nutrients to provide more well-rounded support for everyday wellness.

All Centurion Health products are proudly made in the USA.

Ingredients & Science

HistX includes a targeted blend of Quercetin, Luteolin, Vitamin C, Vitamin B6, and additional supportive nutrients. Quercetin and Luteolin are plant-derived flavonoids known for helping maintain balanced histamine levels and steady day-to-day wellness. Vitamin C supports normal immune function and helps the body respond to everyday triggers, while vitamin B6 contributes to metabolic and overall wellness. Together, these ingredients work to support the body’s natural equilibrium and help you feel more aligned from within.

While HistX itself may not have formal clinical trials, the key ingredients Quercetin, Luteolin, and Vitamin C are supported by extensive scientific research demonstrating their roles in histamine balance, immune support, and overall wellness.

HistX is free from dyes, gluten, and sugar, making it suitable for many individuals with dietary preferences or sensitivities. Those with flavonoid or botanical sensitivities, or who take prescription medications, should consult a healthcare provider before use.

How to Use & What to Expect

The recommended usage is 2 capsules daily, preferably with food or as directed by your healthcare provider. Since HistX supports natural balance rather than delivering an immediate effect, results tend to be gradual. Many users report feeling more steady wellness within the first two weeks, with more noticeable support for histamine balance and calmness by weeks three to four. Consistency is key for long-term benefits.

HistX is usually well-tolerated. Some people may experience mild digestive discomfort when first introducing flavonoids or vitamin C, but this often subsides as the body adjusts. Anyone with a medical condition or taking medication should consult a healthcare professional before use.

To maintain the quality and effectiveness of your product, store in a cool, dry place away from direct sunlight, heat, and moisture. Avoid keeping them in areas like bathrooms, near stoves, or in cars where temperatures can fluctuate. A kitchen cabinet or pantry that stays at room temperature is ideal. Always keep the container tightly closed and out of reach of children.

Ordering & Guarantee

For retail customers:

  • Subscribe & Save: Get 10% off every recurring order.
  • Bundle Discounts: Mix and match and save 15% when you buy 3 or more bottles, or 20% when you buy 6 or more bottles.
  • Free Shipping: Enjoy free shipping on all orders over $60.

For wholesale customers:

  • Wholesale accounts receive quantity-based discounts, which are automatically applied and visible when logged in.
  • Free shipping also applies to wholesale orders over $60.

Go to your personal account page to manage or cancel your subscription contact us at contact@centurion.health or call 888-886-2061 and we would be happy to help you.

At Centurion Health, your satisfaction and safety are our priorities. This policy explains how cancellations, returns, and refunds are handled for both retail and wholesale customers.

Order Cancellations (Before Shipping)

Orders may be canceled any time before a shipment confirmation email is sent. To request cancellation, contact us via:

  • Email: contact@centurion.health
  • Phone: 888-886-2061
  • Website contact form

Once an order has shipped, it cannot be canceled.

Returns - Customer Remorse (Retail)

We accept returns of unopened products within 30 days of delivery.

Eligibility:

  • Product must be unopened, unused, and undamaged
  • Product must not be expired
  • Proof of purchase required

Process:

  1. Contact us to request return authorization.
  2. Receive return instructions.
  3. Ship the product back using your own purchased label.

Customers are responsible for return shipping costs.
Original shipping fees are non-refundable.
No restocking fee applies to retail orders.

Exchanges are not offered. Customers must return eligible items and place a new order.

Refunds are issued within 3 business days after the returned item is received and inspected.

Refunds are issued back to the original payment method only.

Returns - Customer Remorse (Wholesale)

Unopened wholesale products may be returned within 30 days of delivery.A $50 restocking fee applies.Customer is responsible for return shipping.All other eligibility requirements apply as listed above.

Returns - Defective, Incorrect, or Damaged Products

If your item is defective, incorrect, damaged, or missing, notify us within 30 days of delivery.

Process:

  1. Contact us with your order number.
  2. Provide photos if requested.
  3. We will ship a replacement at no cost.

Return of the defective product is not required.
We cover all shipping costs for replacement shipments.

Adverse Reactions

If you experience an adverse reaction, discontinue use immediately and contact us. We will provide a refund for the affected product.

Partial Refunds

Partial refunds may be issued at our discretion.

Refund Method

All refunds are issued to the original payment method only.Refund timing after approval may vary by financial institution.

Contact Us

If you have any questions about our return & refund policy, feel free to contact us at:

Centurion Health
Email: contact@centurion.health
Phone: 888-886-2061
Address: 3100 Bowling Drive, Suite 1, Birmingham, AL 35242

Thank you for choosing Centurion Health!