Can A Vegan Diet Cause Low Blood Pressure?

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This is a problem that I can relate to directly.

The single time that I haven’t been able to donate blood was because my blood pressure was actually too low.

It’s not a common problem, but it does happen.

Now, based on studies, vegans do have significantly lower blood pressure than in non-vegans.

In most cases, if there are no symptoms, it’s not a problem.

However, it’s still a good idea to see a doctor to be on the safe side. It could be related to anemia (caused by B12 or iron deficiency), which needs to be corrected.

Temporary Causes of Low Blood Pressure

Two common, and temporary causes of low blood pressure are:

  • Working out
  • Dehydration

If you find that you experience symptoms of low blood pressure after a particular intense workout, that’s probably at least part of the explanation why.

Possible Symptoms of Low Blood Pressure

Low blood pressure can lead to serious symptoms like:

  • Dizziness or lightheadedness
  • Fainting
  • Blurred vision
  • Nausea
  • Fatigue
  • Lack of concentration

Fainting in the wrong place could be very dangerous, which is why you shouldn’t take low blood pressure lightly.

If blood pressure gets too low, you can experience more severe symptoms like:

  • Confusion
  • Cold and clammy skin
  • Rapid and shallow breathing
  • Weak and fast pulse

These can be caused by heart or endocrine problems, so see a doctor if you have any ongoing symptoms of low blood pressure.

Typical Recommendations to Raise Blood Pressure

While some low blood pressure symptoms point to serious issues, most cases of low blood pressure can be easily cleared up.

The most common solutions are:

  • Regular exercise
  • Eating more salt
  • Reducing potassium
  • Drink more water
  • Supplementing B-12
  • Checking nutrient intake (use a tool like Cronometer)
  • Eating more (new vegans have a tendency to eat less

If you don’t think you’re lacking in any of those areas, you will need to get professional help.

Having symptoms of low blood pressure consistently is not normal and should be treated seriously.

About the author

Dale C.

Your friendly neighborhood vegan from Toronto. Chemical engineer turned semi-professional soccer player and freelance writer. Trying to do my small part in making the world better by writing about the wonderful world of veganism.

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