Can You Have Spirulina While Pregnant?

April 16, 2023 by Marjorie R. Rogers, MA (English), Certified Consultant

Yes, you can have Spirulina while pregnant. It is a type of microalgae – a blue-green algae that is known for its many health benefits and has been consumed by humans since ancient times. Although the safety of consuming spirulina during pregnancy has not been studied extensively, there are no reports suggesting it causes harm to the pregnancy or unborn baby.

In fact, some studies suggest that spirulina may even provide certain benefits to pregnant women such as improved tissue growth in the fetus or reduced risk of developing anemia during pregnancy. Therefore, if you choose to take spirulina while pregnant, make sure it is from a reputable source and speak with your doctor first before starting any supplement regimen.

Spirulina supplementation during pregnancy

  • Step 1: Talk to your doctor
  • Before adding spirulina to your diet, it is important to consult with your doctor about the safety and appropriateness of doing so during pregnancy
  • Step 2: Buy high quality spirulina powder or tablets
  • Make sure that you buy a product from a reputable source that has been tested for contaminants like heavy metals, pesticides, and other toxins
  • Step 3: Read the label carefully
  • Look at the serving size and ingredients list on the package before consuming any spirulina products while pregnant
  • It should not contain any additional ingredients such as caffeine or sugar substitutes that could be harmful when consumed in large amounts by a pregnant woman
  • Step 4: Start slowly and increase gradually over time if desired or advised by your doctor
  • Consume no more than one teaspoon (or approximately 5 grams) of spirulina powder per day initially, then slowly increase up to two teaspoons (10 grams) per day after speaking with your health care provider first if they approve this amount for consumption during pregnancy based on their assessment of you personally
  • Step 5: Discontinue use if any adverse side effects occur such as nausea, headaches, dizziness etc
  • If you experience any negative symptoms related to taking Spirulina while pregnant , discontinue its use immediately and contact your physician for further advice

Spirulina Pregnancy Side Effects

Spirulina is a blue-green algae that has become increasingly popular in recent years due to its high nutritional content. While there are many potential health benefits associated with taking spirulina for pregnant women, it is important to consult with your doctor before using this supplement during pregnancy as there may be some side effects that could affect mother and baby. One such effect is the possible overstimulation of the immune system, which can cause an increase in inflammation and make labor more difficult.

Additionally, spirulina can possibly interact with other medications or supplements you are taking during pregnancy, so it’s important to always check with your healthcare provider first.

Can You Have Spirulina While Pregnant?


How Much Spirulina Can I Take a Day While Pregnant?

When it comes to the question of how much spirulina can be taken during pregnancy, the answer is that there is not enough research or evidence available to determine a safe amount. However, most dietary supplements for pregnant women should be limited to no more than 400 mg per day. It’s important to note that some studies have linked high doses of spirulina with adverse effects in animals and humans, so use caution when taking any supplement while pregnant.

Additionally, consult your doctor before taking any new supplement while pregnant as they will help you decide what dose is right for you and ensure your safety.

Who Should Avoid Spirulina?

Generally speaking, those who have shellfish allergies should avoid spirulina as it is a type of cyanobacteria and may contain traces of seafood proteins. Additionally, pregnant and nursing women should also avoid taking spirulina supplements due to a lack of evidence regarding its safety for use during these times. Lastly, people with autoimmune diseases such as multiple sclerosis or rheumatoid arthritis should talk to their doctor before taking any kind of dietary supplement because some research suggests that certain components in spirulina could worsen the symptoms associated with these conditions.

What Does Spirulina Do for Baby?

Spirulina is an incredibly nutrient-dense superfood that can be beneficial for babies. It contains a plethora of vitamins, minerals, proteins and omega fatty acids that are essential for healthy development. The high protein content helps build strong bones and muscles in growing infants while the antioxidants help protect their delicate cells from environmental damage.

Spirulina also provides key nutrients to support baby’s immune system such as beta carotene, magnesium, selenium, iron and zinc which all play an important role in keeping them healthy and protected from disease. With its well-rounded nutritional profile, spirulina is a great supplement to introduce into your baby’s diet to ensure they receive the vital nutrients they need during this crucial stage of life.

Is Chlorella And Spirulina Safe During Pregnancy?

Yes, chlorella and spirulina are considered safe to consume during pregnancy. Both supplements contain high levels of important vitamins and minerals, including iron, folate, zinc and vitamin B12 which can help support a healthy pregnancy. Additionally, both supplements have been linked to helping reduce inflammation in the body while providing necessary antioxidants that can help improve overall health.

It is important to consult with your healthcare provider before adding any new supplement into your routine while pregnant or breastfeeding as safety is always top priority.


In conclusion, spirulina is a superfood that is generally safe for pregnant women to consume. It can provide many health benefits and be enjoyed in various forms such as powder, tablets, or smoothies. Just make sure to purchase quality brands of spirulina and speak with your doctor before starting any supplement while pregnant.

With proper care and moderation, you can enjoy the potential benefits of spirulina while expecting!

About Author (Marjorie R. Rogers)

The inspiring mum of 6 who dedicates her time to supporting others. While battling with her own demons she continues to be the voice for others unable to speak out. Mental illness almost destroyed her, yet here she is fighting back and teaching you all the things she has learned along the way. Get Started To Read …