Spirulina & Chlorella: First Foods of the Earth and the Foundation of Nutrition of Great Health

By Dr. Bob McCauley


A building constructed from inferior materials is ready to collapse at any moment, if not from external then from within. The body built of inferior materials awaits the same fate. The basic elements of the human cell must be constructed from the exact nutrients it has been using over millions of years of evolution or it will fold under the attack of any disease. Detractors of algae dismiss it as pond scum, which is a laughable assertion stated out of shear ignorance. The nutritional content of Spirulina or Chlorella make them the most powerful foods in the world. No other foods could possibly compete with them. Of the nearly 70,000 species of algae that exist, most are quite nutritious. A few are toxic and a few are powerful nutraceuticals capable of supplying the body with nutrients unimagined by most other foods. A nutraceutical is any food that provides the body with the proper nutrition so the body can heal itself.

DynoMill vs. Pressure-Release Chlorella

Spirulina and Chlorella are perfect whole foods, true superfoods . They have perfect compliments of protein (60%) carbohydrates (19%), fats (6%) bio-available minerals (8%). They are not extracts, concentrates or amalgams of vitamins and minerals that look good on paper such as the vitamin and mineral supplements that people generally believe to be healthy. In reality, the body does not absorb 90% of these vitamin supplements because they are dead, void of enzymes. On the other hand, eating Spirulina or Chlorella is like eating any other whole food such as a banana, apple or broccoli.

Algae are the oldest foods in the world. Fossil records show that Spirulina and Chlorella have existed for billions of years essentially unchanged for all that time. They have both developed strategies of survival against harshly unfavorable conditions such as drought, radiation and even strong man-made poisons that have driven many other plant organisms to extinction.

There are several different species of these two algae, however the ones that I refer to here are Spirulina Platensis and Chlorella Pyrenoidosa. Another Chlorella product found on the market is known as Chlorella Vulgaris, which is nutritionally inferior to its powerful cousin Pyrenoidosa.  It does not have the broad array of nutrients of Pyrenoidosa, its incredible fiber nor does anywhere near the same amount or quality of Chlorella Growth Factor (CGF). Don’t be fooled by price, Chlorella Pyrenoidosa is worth the extra money and why it is considered the most powerful food in the world.

A tremendous amount of scientific research has been done on both Spirulina and Chlorella from universities and medical institutions from around the world. They have proven to be one of the best solutions world hunger problems. They are also used as feed for all kinds of live stock. Once tableted, they will last up to a year with refrigeration and even longer if vacuum-packed.

Which one should you take?

Even though the nutritional profile of Spirulina and Chlorella are quite similar they are completely different foods, as different as apples and oranges. Although many of the nutrients in these foods are the same, they will assimilate and benefit the body in different ways. This is also why we should attempt to get as many different types of foods into our diet as possible. The greater array of nutrients in any food, the more nutritious it is.

Spirulina is a nitrogen based blue green algae and has the predominant odor of seaweed. Chlorella is an oxygen based green algae that has the predominant odor of fresh grass. Chlorella gets its name from the high amount of chlorophyll in it, up to 10 times that of Spirulina which is itself quite high in chlorophyll. Chlorella belongs to a class of algae called chlorophyta.

Spirulina is an extremely high energy food, great before or after a workout and is used widely for joint soreness and joint support. Chlorella is excellent for digestion, heavy-metal detoxification, and is a immune system builder. Therefore, the answer to the question as to which of these two algae should you take is that you should definitely have both of them in your diet.

Protein, the Great Regulator
Spirulina and Chlorella are complete proteins meaning they provide the body with the eight essential amino acids, yet they go much further. They are 60% protein in the form of amino acids that are in the right ratio to one another. There is a lot of confusion and misinformation about protein, how much protein is actually in certain foods and what the protein actually consists of. For instance, most people assume meat is comprised of 100% protein when it is only 19% protein on average. Meat only has eleven amino acids and is heavily weighted in only four of them, which means that the body is receiving a very lopsided version of protein. What the body needs is a broad array of amino acids that are in the correct proportion to one another such as Spirulina, Chlorella and even wheat grass. Wheat grass juice is only 20-22% protein (higher than meat) compared to over 60% for Spirulina and Chlorella, which is the highest amount of protein of any whole foods.

Dosages – How much to take. When to take it.

Chlorella: A maintenance dosage of Chlorella is about 3 – 5 grams per day. Although you will not see significant changes taking such a small amount of whole food, your body will be getting a broad array of nutrients unlike it has seen before. Since Chlorella is a detoxifying whole food, not a concentrate or extract, a person can eat as much as they desire without any fear of it becoming potentially toxic in any way.

Chlorella is best taken before a meal with probiotics, our friendly bacteria ( Acidophilus and Bifidus ). Chlorella causes probiotics to multiply at four times the rate of normal.

Maintenance Dosage: 3 – 5 grams/day
Significant Part of the Diet: 6 – 10 grams/day
Immune System Builder: 11 – 14 grams/day
Primary Source of Protein : 12 – 19 grams/day
Healing Purposes & Heavy Metal Detoxification: 20 – 30+ grams/day

Best before a meal to aid with digestion.


Spirulina: A maintenance dosage of Spirulina is 3 — 5 grams per day. Although their nutritional profile may appear to be quite similar, Spirulina and Chlorella are completely different foods. Spirulina is great before a physical workout. I take 5 – 6 grams religiously before any kind of physical training. Stamina, endurance and recovery are significantly improved with Spirulina. After a strenuous workout where the body is pushed to its limits, an additional 10 – 20 grams should be taken during the following 24 hours to rebuild the body and muscle tissue that has been torn down.

Spirulina should also be taken 15 – 30 minutes before a meal to help prepare the stomach for proper digestion since it also helps accelerate the reproductive rate of probiotics.

Maintenance Dosage: 3 – 5 grams/day
Significant Part of the Diet: 6 – 10 grams/day
Immune System Builder: 11 – 14 grams/day
Primary Source of Protein : 12 – 19 grams/day
Healing Purposes: 20 – 25+ grams/day

Also great before a workout.

Dr. Bob’s Blog is not intended as medical advice. The writings and statements on this website have not reviewed and/or approved by the FDA. Our products are not meant to diagnose, treat, cure or prevent any disease. Rather they are meant to demonstrate that aging can be slowed and even reversed and that Great Health achieved when the most fundamental nutritional needs of the human body are met. Always consult a medical doctor or other medical professional when you consider it necessary.
Dr. Bob’s Blog is covered under (47 U.S.C. § 230): “No provider or user of an interactive computer service shall be treated as the publisher or speaker of any information provided by another information content provider”.

About Bob McCauley

Bob McCauley, ND (Robert F., Jr.) was raised in Lansing, Michigan and attended Michigan State University (BA, 1980 in Journalism). He is a naturopathic doctor, Master Herbalist and a Certified Nutritional Consultant. He has traveled extensively, both domestically and abroad, visiting over 32 countries. He published Confessions of a Body Builder: Rejuvenating the Body with Spirulina, Chlorella, Raw Foods and Ionized Water (2000), Achieving Great Health (2005), The Miraculous Properties of Ionized Water, (2006) which is the only book on the market that exclusively addresses Ionized Water, Twelve (Fiction, 2007) and Honoring the Temple of God (2008). He considers himself a Naturalist, meaning he pursues health in the most natural way possible. He studies and promotes nature as the only way to true health. From 2002-2004 he hosted the radio program Achieving Great Health, which was heard by thousands of people each day. His guests included some of the most well-known and respected names in the natural health world. With the help of his father, Dr. Robert F. McCauley, Sr. (Doctorate in Environmental Engineering, MIT, 1953) they started Spartan Water Company in 1992, which sold vended water machines in supermarkets. Robert Jr. founded Spartan Enterprises, Inc. in 1993. He is a Certified Water Technician with the State of Michigan. He is also a Type II Public Water Supply Specialist and has the certifications of S-5 and D-5. The McCauley family has a long history in the water industry. Bob's father pioneered environmental issues regarding ground water and drinking water quality. He received his Ph.D. from the Massachusetts Institute of Technology (MIT) in 1953 for his thesis on removing radioactive strontium from water. He earned his doctorate in Environmental Engineering in less than 2 years, one of the shortest doctoral studies in the history of MIT. He taught civil, sanitary and environmental engineering at Michigan State University for 18 years before retiring to run Wolverine Engineers & Surveyors of Mason, Michigan, for 17 years. His reputation throughout Michigan as a water quality expert was legendary. Bob worked for his father's company for 12 years learning the water business, which dealt primarily with municipalities, including water quality and sanitary sewer issues. After apprenticing with his father, Bob moved on to the bottled water business. He established greater Michigan's biggest selling bottled water: Michigan Mineral – Premium Natural Water. He was introduced to Ionized Water in 1995 and has done more to promote Ionized Water than anyone else in the industry. Bob often lectures and offers seminars on his Seven Component Natural Health Protocol . Bob is a Certified Nutritional Consultant and a Certified Master Herbalist. He is also a 3rd Degree Black Belt and Certified Instructor of Songahm Taekwondo (American Taekwondo Association).
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20 Responses to Spirulina & Chlorella: First Foods of the Earth and the Foundation of Nutrition of Great Health

  1. Barbara says:

    If you have a serious seafood allergy, can you still take this? I know that shellfish come in contact with the seafood and so I wonder if it is safe for me to take?

  2. I found your blog to be very knowledgeable and much more in depth than others, thanks for posting!

  3. Arthur Buro says:

    Freakin nice blog .. looking forward to further posts.

  4. B & J Holem says:

    Our son takes the 50/50 Mix & he tells us, we can get around 400 tabs for $10.00…..is that right? B has arthritis bad, is the 50/50 mix guaranteed to slow done the crippling in her body? Please send us more info about these products.


  5. Ian says:

    Hey Bob,

    Great site you have here. I thought it might be an idea to inform people about possible side effects of taking spirulina, as some people can have a different reaction to it. Nothing dangerous mind you, but something people should be aware of before they take it. Hopefully this link avoids your spam filter:


    I’m currently working on an article about the side effects of chlorella too so I’ll be sure to let you know when that is published.


  6. Spirulina says:

    Hey bob,
    Good article, good to see another person clued in to the benefits and promoting its good health 🙂

  7. Pauli Pasco says:

    Hi Bob, I’ve read your story and its a great one. Congratulations on all your hard work.
    I know you to be an extremely busy man so I will be quick. I have severe candida and I need to take a probiotic at present and cant decide on which to take. I take Spiralina and Chroella and Blue Green ALgae. I see that you said that Spiralina helps with making probiotics. Does this mean that I do not need to take a probiotic as well.
    Thankyou very much for your time. Blessings to you, pauli

  8. josie Shakes says:

    Hi Bob! How do I measure grams/ teaspoon. I am taking chlorella and spirulina but I am not sure if I am taking the right dosage. I am doing the immune system builder. Thanks for your help.

  9. Suzanne says:

    hi Bob.. with the radiation thing going on in Japan.. i hear that Spirulina and Chlorella are good to take (iodine as well) .. What doses do you reccomend under an emergency situation?

  10. Joy says:

    I am taking both the spirulina and the chlorella.I was wondering- how long should I be on the detox/healing purpose dosage? I’m using it to clear up my acne.

  11. Kimmy says:

    Spirulina is one of the world’s richest whole foods, with scientists saying that 1 kilogram of it provides the equivalent nutrition of 1000 kilograms of regular vegetables.

    For more info, check Hidalgo Foods

  12. Kimmy says:

    Spirulina is one of the world’s richest whole foods, with scientists saying that 1 kilogram of it provides the equivalent nutrition of 1000 kilograms of regular vegetables.

    For more info,check Hidalgo Foods

  13. Vaino Kumpulainen says:

    I just want o leave some of my own experiences using Chlorella and Spirulina, I have had osteoartritis for long time and while back I was diagnosed with fibromyalgia and nausea and shaking was bad, I also had blood pressure running up to 160 systolic 110 diastolic, I have been using supplements containing both chlorella and spirulina I don’t feel tired no nausea no shaking and the bonus, my bp is back down to 125/75, I have increased the grain in my diet otherwise I have not changed anything else. I hope this helps many others out there, this is natural way and natural medicine that works.

  14. mesiah says:

    Hey bob would like to do the spirulina chlorella fast. Give me more details how much did you take of each? How often? Powder? Capsules? Liquid. Trying to begin the fast Wednesday

  15. I think everything posted made a ton of sense. But, what about this? what if you composed a catchier post title? I mean, I don’t wish to tell you how to run your blog, but what if you added a title to possibly grab people’s attention? I mean Spirulina & Chlorella: First Foods of the Earth and the Foundation of Nutrition of Great Health | Bob McCauley& is kinda plain. You ought to look at Yahoo’s home page and watch how they write news headlines to grab people interested. You might try adding a video or a pic or two to grab readers excited about everything’ve got to say. Just my opinion, it might bring your blog a little bit more interesting.

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  17. Bob McCauley says:

    Thanks for the feedback. I will think about headlines that grab the reader more. Bob

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