How much spirulina can you consume? What are spirulina side effects?
Spirulina can be purchased in tablet, capsules, powder or fresh form. To avoid spirulina side effects the recommended dose of spirulina is 3 to 5 g distributed among the main meals (20gr per day in total, can be taken in one go as well)
Spirulina is food and not a drug or medicine and has no known serious contraindications taken in the proper dosage. However, some people may have any of the following spirulina side effects:
- Thirst and constipation. After taking a large volume of spirulina it is recommended drink about half a litre or more of water a day to help your body absorb it.
- A little fever, due to the body’s need to burn the extra protein
- Slight dizziness, If this occurs, take less spirulina. If the symptom does not improve stop taking spirulina and consult a qualified doctor or naturopath.
- Stomach ache.
- Mild itching or rash on the skin.
You should strive to acquire quality spirulina that has been grown in pure ecosystems since algae have an important capacity to absorb everything in the media in which it grows, especially heavy metals.
Overactivity of the thyroid gland
In a case of hypothyroidism if you want to consume spirulina at the beginning you should consult with a doctor. Although the alga spirulina contains a minimal amount of iodine, it can influence the thyroid gland. It is that recommended that people with hypothyroidism always consume minimal doses, and go up week by week. Spirulina is generally contraindicated (should not be used in the case in question) for hyperthyroidism.
Other cases to consult a doctor
Pregnant women and young children should consult with a qualified healthcare professional before deciding to consume spirulina.
Patients with kidney failure or problems with the kidneys need to limit protein intake to alleviate elevated toxin levels and protect kidney function. Therefore, before consuming spirulina consult with your doctor or dietetic professional and establish the suitability to consume spirulina and the appropriate dose.
Limiting protein intake for above mentioned patients does not mean taking any protein, as these are essential for the maintenance of normal body activities. You should only control and reduce your intake to reduce extra loads on the kidneys, always strive to have the highest quality of protein. In this sense, spirulina is a good choice as it is a complete protein that contains all the essential amino acids we need, although it contains less methionine*, cysteine** and lysine*** compared to meat, egg and milk proteins.
*amino acid, organic compound, A lipotropic, sulphur containing essential amino acid, C 5 H 11 NO 2 S, found in most protein.
**amino acid A sulphur-containing nonessential amino acid C 3 H 7 NO 2 S found in most animal proteins; it readily oxidizes to cystine.
***amino acid An essential amino acid, C 6 H 14 N 2 O 2 .