Frequently asked questions

Can’t find an answer? Please email us at

Why should I take PreCardix®?

To help maintain healthy blood pressure levels and to support cardiovascular health.

What is the recommended use for PreCardix®?

For adult use only. Take 2 tablets simultaneously daily. Take a few hours before or after taking other medication or natural health products. Take between meals before noon.

Consult your health care practitioner prior to use if:

  • You are on medication currently
  • You have a medical condition
  • You are planning any medical procedure
  • You are taking blood pressure medication or blood thinners
  • You are pregnant or breastfeeding

Hypersensitivity / allergy has been known to occure with shellfish; in which case, discontinue to use. 

What do the blood pressure numbers mean?

Blood pressure is measured in systolic blood pressure (SBP) and diastolic blood pressure (DBP). SBP is the pressure in your blood vessels when the heart beats. DBP is the pressure between the beats. Blood pressure is measured in mm of mercury (Hg). You can learn more about the blood pressure values here.

What are healthy blood pressure values?

Blood pressure readings are normally given in SBP above DBP. A normal blood pressure is considered to be 120 over 80 or 120/80 mm Hg.

What is hypertension?

Hypertension is the medical term of high blood pressure, meaning that your systolic blood pressure is above 140 or your diastolic blood pressure is above 90 mm Hg. People with hypertension should contact their doctor, and they are often suggested to start medical treatment.

How does PreCardix® regulate my blood pressure?

The bioactive peptides in PreCardix is able to inhibit a molecule called Angiotensin Converting Enzyme (ACE). The bioactive peptides therefore work as ACE-inhibitors. This is the same mechanism as used in ACE-inhibiting medication.

How does PreCardix® contribute to support my general cardiovascular health?

PreCardix contributes to lower your elevated blood pressure towards healthy levels. Elevated blood pressure is damaging for your cardiovascular system, your heart and your kidneys. In this way, reducing elevated blood pressure often have positively repercussions to your cardiovascular health.

What are the ingredients in PreCardix®?

PreCardix contains of 600 mg bioactive marine peptides from Arctic Coldwater Prawns (Pandalus borealis). In order to be able to produce tablets a few non-active, but natural ingredients are used as fillers. 

What are peptides?

Peptides are fragments of protein. Bioactive peptides have a strong effect on the human body. Learn more about peptides here.

Is the product natural?

Yes. PreCardix is natural in the sense that the active ingredient is based on a natural and sustainable source from the Arctic Ocean; The arctic Coldwater shrimp of the specie Pandalus borealis. No artificial substances are used for the production of the active ingredient or added to the active ingredient. In order to be able to produce tablets a few non-active, but natural ingredients are used as fillers. Please see the list of ingredients on the package for more information.

Is PreCardix® non-GMO?

Yes. Both the active ingredient and the non-active ingredients are non-GMO.

What are the side-effects of PreCardix®?

PreCardix has through its clinical trials documented a strong safety profile and no side effects have been detected.

How soon can I see results?

Our research shows that you should be able to see noticeable results on your systolic blood pressure after only two weeks of use.

Can I stop taking my medication if I start using PreCardix®?

The product is documented and approved by health Canada for maintaining healthy blood pressure levels. It is not meant to treat any medical condition. If you wish to use PreCardix in addition to your medicine, this should be done in close cooperation with your health care practitioner.

Is the claimed effect of PreCardix® documented?

Yes. Through science-backed randomized, double-blind, placebo-controlled, parallel clinical trials in Finland, Canada, US, Germany and Czech Republic. All participating persons were volunteers with mild to moderate hypertension.

Can I reduce or extend my intake of PreCardix® beyond the recommended daily dosage?

The documentation for the product and its blood pressure lowering effect is done with a daily dosage active ingredient of 1200mg per day (2 tablets) taken at the same time.

Who should not use PreCardix®?

The product is not meant for children under the age of 18.

If you are taking medication, have a medical condition or are planning any medical procedure, you should consult your health care practitioner prior to use.

If you are pregnant or breastfeeding, you should consult your health care practitioner prior to use.

When will I receive my order?

Regular Canada Post mail delivery time standards are:

  • Two business days for local mail
  • Three business days within the province
  • Four days for national mail

These time frames are not guaranteed, as weather and mail volume can affect delivery. Addresses outside of Ontario, may unfortunately experience a longer delivery time. 

Can I track my order?

Unfortunately we do not offer tracking of your shipment. However, your order should normally be shipped within one business day.

When buying a subscription, when will I receive my next shipment of PreCardix®?

When subscribing to PreCardix, you will automatically receive a new shipment of Precardix every month. By logging in to your account from the website, you can find information about when your next delivery will be.

How can I cancel my subscription?

You can easily stop, pause and start your subscription from your account. Also, you can send us an email on:

What is your return policy?

If you want to return an item, you must notify Marealis Health via email within 14 days after an order is placed. Please include your customer number, order number and reason for return in the email. If you return the product within 14 days of receipt, your money will be refunded but you are responsible for shipping charges. If the item is returned as a result of our error, we will also pay the return shipping. Orders that are older than 14 days are non-returnable and non-refundable. Items must be unopened and in the original packaging to be returned.

If a shipment is returned due to entering an incorrect address or oversight in not including a building or suite number, shipping & handling fees will apply.