10 Best Spirulina Capsule For Diabetes

  Reviewed
 by Dr. Steve Hruby
Reviewed by Dr. Steve Hruby

I am a chiropractor, father, husband, coach, entrepreneur, and motivational speaker. Feeling good about yourself is a choice: My mission is to transform lives through optimized health and overall well-being.

  Fact Checked
 by Rhealyn Tropia, RMT
Reviewed by Rhealyn Tropia, RMT

I’ve been called a Data Ninja, The Fact Checker, and a Human Search Engine. I’m an indie content curator who does research daily, and quizzes myself on the important issues of the day.

best spirulina capsule for diabetes

Diabetes is a chronic disease that affects the pancreas and leads to insulin resistance in the body. It creates high blood sugar in the blood. Diabetic people are dependent on insulin injections or tablets.

In A Hurry? Here Are Our Top Recommendations
Now Natural Spirulina Capsule
BRI Spirulina Capsule
Allied Life Spirulina and Chlorella Capsule

The incurable majority of people are trying natural methods to control diabetes. One of the methods that are gaining popularity nowadays is the usage of spirulina as a health supplement.

There are many spirulina powders and capsules available in the market. Many don’t like the taste of spirulina powder and prefer capsules over powders.

Being healthy is easy with this method, but there are many brands available. So, we bring you the best spirulina capsule for diabetes as per user reviews. Read on to know more!

Best Spirulina Capsule For Diabetes: Our Top 3 Picks Compared

Preview
Best Overall
NOW Supplements, Natural Spirulina 500 mg with Beta-Carotene (Vitamin A) and Vitamin B-12, and naturally occurring Protein and GLA (Gamma Linolenic Acid), 120 Veg Capsules
Runner-up
BRI Spirulina 2000mg Maximum Strength Premium Quality Spirulina Superfood Powder, Packed w Antioxidants, Protein and Vitamins in Easy to Swallow Vegetable Cellulose Capsules (120 Count)
Best Value
Allied Life Spirulina and Chlorella | Organic Chlorophyll Vegan Protein Powder Green Superfood | 120 Capsules
Features
Super Green: Spirulina is a natural organic product containing beta carotene, GLA, vitamin B12, and amino acids having many health benefits.
Purity: Being manufactured in the US, it’s FDA-approved and GMP-certified. So you get the purest form of spirulina right at your doorstep.
Blended Superfood: This proprietary spirulina and chlorella blend uses broken cell wall chlorella that is easy to digest and produced under supervision.
Pros
People have seen great results after a month of usage
Great for people who can’t stand spirulina taste
No aftertaste, Blend of two superfoods in one
Cons
Some found awful rancid smell
Dosage is low
Some felt nauseous after consumption
Prime
Best Overall
Preview
NOW Supplements, Natural Spirulina 500 mg with Beta-Carotene (Vitamin A) and Vitamin B-12, and naturally occurring Protein and GLA (Gamma Linolenic Acid), 120 Veg Capsules
Features
Super Green: Spirulina is a natural organic product containing beta carotene, GLA, vitamin B12, and amino acids having many health benefits.
Pros
People have seen great results after a month of usage
Cons
Some found awful rancid smell
Prime
Check Price
Runner-up
Preview
BRI Spirulina 2000mg Maximum Strength Premium Quality Spirulina Superfood Powder, Packed w Antioxidants, Protein and Vitamins in Easy to Swallow Vegetable Cellulose Capsules (120 Count)
Features
Purity: Being manufactured in the US, it’s FDA-approved and GMP-certified. So you get the purest form of spirulina right at your doorstep.
Pros
Great for people who can’t stand spirulina taste
Cons
Dosage is low
Prime
Check Price
Best Value
Preview
Allied Life Spirulina and Chlorella | Organic Chlorophyll Vegan Protein Powder Green Superfood | 120 Capsules
Features
Blended Superfood: This proprietary spirulina and chlorella blend uses broken cell wall chlorella that is easy to digest and produced under supervision.
Pros
No aftertaste, Blend of two superfoods in one
Cons
Some felt nauseous after consumption
Prime
Check Price

Does Spirulina Help With Blood Sugar?

Does spirulina work for diabetes? Yes, it does, especially in type 2 diabetes. Spirulina was administered to random people with Type 2 diabetes mellitus and showed positive results. 

To keep blood sugar levels in control, diabetic people have to make significant lifestyle changes along with medication. A study conducted on rats shows spirulina helps mitigate oxidative stress. Free radicals and antioxidant imbalances contribute to oxidative stress and diabetes complications.

Another study showed spirulina supplements help lower blood sugars. Researchers found that spirulina helps in the formation of insulin to control blood sugar in the body. Based on these studies, it won’t be wrong to state that spirulina potentially helps in diabetic conditions. 

Best Spirulina Supplement for Diabetes

If you’re looking to boost your performance and immunity, spirulina can help you to calm fatigue. The breakdown of blood sugar in diabetics is hindered. Spirulina has antioxidants that enhance endurance and strengthen muscles.

The benefits of spirulina for diabetic patient are enormous, but its key role is to improve insulin sensitivity. It’s a natural, safe, and better way to lower blood sugar. In terms of spirulina tablets vs capsules, there are some differences.

1. Now Natural Spirulina Capsule – Best Overall

Spirulina is a blue-green microalga that is protein-packed, vitamin-rich, and full of vital vitamins, minerals, and gamma linoleic acid GMA.

Sale
NOW Supplements, Natural Spirulina 500 mg with Beta-Carotene (Vitamin A) and Vitamin B-12, and naturally occurring Protein and GLA (Gamma Linolenic Acid), 120 Veg Capsules
  • SUPER GREEN: Spirulina has natrually occurring beta-carotene (vitamin A), vitamin B-12, protein, and GLA (Gamma Linolenic...
  • NATURALLY OCCURRING MINERALS: In addition, spirulina has naturally occurring minerals, trace elements, cell salts, amino...
  • GENUINE WHOLE FOOD: NOW Spirulina delivers the natural nutrient profile found in Genuine Whole Foods.

NOW ensure to deliver natural certified organic spirulina capsule that is 100% vegan. A gluten-free, soy-free, wheat-free product isn’t used in its manufacturing. 

Features

  • Super Green: Spirulina is a natural organic product containing beta carotene, GLA, vitamin B12, and amino acids having many health benefits. Additionally, it has a high nutrient profile due to cell salts, enzymes, minerals, and trace elements.
  • NOW Assurance: NOW delivers a 100% wholesome organic spirulina found in Genuine Whole Foods. Since 1968, the company has been manufacturing health supplements in the USA. It bestows product value and services to empower healthier living.
  • Quality Assurance: It’s NPA A-rated with GMP certification quality assurance and authenticity of the product. Laboratory testing and examination of the manufacturing process are ensured.
  • Online Availability: The product is available on Amazon and the company’s website. They ship it directly to your address. 

Pros

  • Affordable 
  • Easily available
  • Quality assurance and NPA A- certified
  • People have seen great results after a month of usage

Cons

  • Some found awful rancid smell
  • Some experienced eye irritation

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2. BRI Spirulina Capsule – Trusted Product

It’s manufactured in California, USA, by BRI Spirulina Capsule. Due to its manufacturing in the USA, it’s regulated. Hence it’s FDA-approved, GMP-certified (good manufacturing practices), and NSF-certified.  

BRI Spirulina 2000mg Maximum Strength Premium Quality Spirulina Superfood Powder, Packed w Antioxidants, Protein and Vitamins in Easy to Swallow Vegetable Cellulose Capsules (120 Count)
  • ★ WHY US: A complaint we hear is alot about the nasty after taste of Spirulina. Instead of pressed tablets or powder you...
  • ★WHAT IT IS: Spirulina is an amazing vegetarian whole superfood that has the ability to increase energy and detox your...
  • ★PURITY: We use only the finest ingredients, all of which are manufactured in our US, GMP compliant, state-of-the-art,...

The NSF certification comes from The Public Health Safety Organization demanding extensive product testing and analyses to get the certification. These organizations do quality checks from time to time for quality assurance. Spirulina used in capsules is grown in a natural old fashioned way to preserve purity and cleanliness.

Features

  • Neutral Taste: People do complain about the nasty taste of spirulina powder. Many people find spirulina capsules to be a great alternative. Take a capsule instead of pouring powder into a glass.
  • Nutrient Rich: The superfood holds vitamins B12, K1, and K2, antioxidants, amino acids, and phytonutrients. It provides maximum muscle strength, cardiovascular health, brain health, immunity, and energy.
  • Purity: Being manufactured in the US, it’s FDA-approved and GMP-certified. So you get the purest form of spirulina right at your doorstep.

Pros

  • 100% vegetarian
  • Promotes overall health
  • USA-grown, so reliable option
  • Great for people who can’t stand spirulina taste

Cons

  • Dosage is low
  • Bit expensive

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3. Organic Spirulina Powder Capsules – Purest Spirulina

HCL Organic spirulina powder capsules are the purest ones on the market. It’s an ultra-pure certified organic non-irradiated powder produced ecologically.

Organic Spirulina Powder Capsules 3000 mg - Purest Non-Irradiated Blue Green Algae - Best Raw Vegan Protein - Green Superfood - Natural Multivitamins – 180 Pills Made in The USA
  • The PUREST SPIRULINA in the market ✔ We only procure the ultra-pure Certified Organic non-irradiated spirulina powder...
  • We are the SAFEST ORGANIC SPIRULINA CAPSULES ✔ Our Certificates of Analyses and constant pre & post-production testings...
  • THE MOST NUTRIENT DENSE VEGAN SUPERFOODS on EARTH ✔ Our 3000 mg per serving of spirulina will produce some of the best...

The marketer claims it’s the safest capsule and is a nutrient-dense vegan superfood. It aids digestion, enhances immunity, and keeps energizing you for the whole day. Also, it gives you a 100% money-back guarantee if you experience any problems.

Features

  • Purest Spirulina: It’s a certified non-irradiated capsule attained from 100% organic spirulina powder. It’s free from harmful pesticides, herbicides, and other pollutants. 
  • Safest Spirulina: It’s made in the USA and tested for BMMA-free. It’s pre-production and post-production tested. Also, third-party testing is carried out for heavy metals. It contains no fillers or any allergen products.
  • Nutrient Dense: It’s one of the most nutrient-dense spirulina in the market. The results of consuming 3000mg of spirulina are detoxifying. It’s jam-packed with protein, iron, amino acids, antioxidants, vitamins, minerals, and chlorophyll giving mental stamina and cellular health.
  • Powerful Detox: It’s the richest source of chlorophyll and a potent detoxifier. Chlorophyll can break down body toxins and remove them from the body. It also acts as liver and kidney detox.
  • Money Back Guarantee: They provide a 100% money-back guarantee if you aren’t satisfied with the results. Spirulina is a quick fix for dietary supplements. It has no aftertaste and is easy to digest.

Pros

  • Guarantees a refund
  • Acts as liver, kidney, and skin detox
  • 100% organic and nutritious formula
  • It’s the purest spirulina powder capsule on the market

Cons

  • Some got sick after using the powder capsule.
  • Some feel that the dosage is a bit on the higher side as required per day.

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4. Allied Life Spirulina and Chlorella Capsule – Vegan Superfood

Allied Life Spirulina and chlorella capsules are a unique and synergetic blend of dietary supplements. It enhances immunity, detoxifies the body, and acts as an antioxidant and anti-inflammation.

It has a potent blend of two superfoods that provides maximum benefits to the user. It’s one of the purest forms of spirulina available. It’s non-GMO and exceeds all purity testing.

Features

  • Blended Superfood: This proprietary spirulina and chlorella blend uses broken cell wall chlorella that is easy to digest and produced under supervision.
  • Enhances Immunity: It strengthens the immune system and digestive systems. It keeps you protected from allergies, and you’re less prone to illness.
  • BPA-free packaging: The bottle is BPA-free, and contains no allergens or harmful pesticides. 

Pros

  • Affordable
  • No aftertaste
  • Blend of two superfoods in one
  • An environment that is clean and safe for the plants to grow in. Don’t contain any harmful pesticides, herbicides, etc. It’s a non-GMO product.

Cons

  • No USDA certification
  • Some felt nauseous after consumption

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5. Plant-Bae Spirulina and Chlorella Capsules – Best Effective

Plant Bae Organic Spirulina Capsules is a vegan dietary supplement made in the USA. There are 240 capsules in one packet of this FDA-approved and certified product.

Plant-Bae Spirulina and Chlorella Capsules Organic Detox 240 Count Made in The USA - Supports Optimal Energy - Wide Range of Antioxidants
  • SUPPORTS OPTIMAL ENERGY* Helps provide you with the energy and lift you need throughout the day
  • POTENT ANTIOXIDANTS* Wide Range of Antioxidants That Have Been Found To Reduce Inflammation
  • IMMUNE SUPPORT* May Increase White Blood Cell Levels, Which Can Stimulate Your Immune System

It’s non-GMO and helps bolster the immune system, healthy cleansing, and oxidative balance. It’s easy to swallow and comes in sustainable packaging.

Features

  • Energy Efficient: It supports you with energy and keeps you energized throughout the day.
  • Antioxidants: It reduces inflammation. The antioxidants promote healthy skin, eye, and brain development. It aids in weight loss and clears skin.
  • Easy to Swallow: Spirulina powder tastes bitter, and tablets are a bit hard on the stomach. Capsules are easy to take and not mixable with drinks.
  • Great Packaging: It has sustainable packaging and reduces the use of plastic.

Pros

  • Acts as a detoxifier
  • Good for hair and skin
  • Sustainable packaging
  • Supports liver, eye, brain, and gut health
  • 100% organic, GMP-certified, FDA-approved, and USA grown

Cons

  • Not suitable for some
  • Some find it a bit expensive

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6. Nature’s Nutrition Spirulina Capsule – A Premium Product

Nature’s California-Grown Spirulina Capsules is a premium product produced and cultivated in the USA. Cheap, pure, and safe spirulina.

Spirulina Capsules 1500mg - Premuim, Natural Spirulina from Blue Green Micro-Algae Powder with Natural Antioxidants, Protein, Fatty Acids, Fiber, & Vitamins - Non-GMO & Vegan - 120 Capsules
  • Extra Strength Spirulina: Daily Spirulina Complex (1500mg per serving) made from blue-green micro-algae and naturally high in...
  • For Overall Well Being: Spirulina chlorella contains bioactive components such as proteins, amino acids, minerals, vitamins...
  • Natural Plant Based Supplement: Each 500mg capsule is a rich, natural source of Vitamin A (beta-carotene), Vitamin E, Vitamin...

Health supplement producers have been in business for 40 years. It’s a pond-raised alga free from animal waste. It’s grown naturally and full of phytonutrients and amino acids for healthy living.

Features

  • Extra Strength: This daily spirulina complex contains 1500mg per serving obtained from blue-green algae containing a high amount of protein and fatty acids.
  • Overall Health: Spirulina chlorella contains bioactive contents that provide energy to the body and better immune health.
  • Natural Plant-Based Supplement: It’s a 500mg capsule rich in vitamins A, E, B1, B7, and B8. 
  • Trusted: It’s grown in California using the Colorado River’s mineral-rich waters that make it pure and clean. It’s free from any pollutants and fillers.
  • Manufacturer Excellence: Nature’s has been serving the health industry for 40 years. Being a USA production, it has to follow all the restrictions and guidelines of purity and testing. To ensure quality and consistency on time third-party evaluations.

Pros

  • High in phytonutrients
  • High-quality and lab tested
  • Supports heart health and immune system

Cons

  • Some didn’t like the smell
  • The bottle mentions 1500mg, but each capsule is 500mg

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7. Vimerson Health Spirulina Chlorella Capsules – Good for Overall Health

Vimerson Health Spirulina is a complete health package that supports immunity, cardiovascular health, oxidative balance, and body detoxification.

Spirulina Chlorella Green Superfood Capsules. Boosts Energy, Supports Cardiovascular Health. Antioxidant Properties for Detox and Cleanse
  • HEALTHY ENERGY LEVELS. Our spirulina and chlorella capsules combine two of the best-known forms of blue-green algae to charge...
  • NUTRITIONAL POWERHOUSE. Spirulina and Chlorella hold superfood status thanks to their intense, nutritional density. Each...
  • CLEAN FORMULA. We want to provide you with the best, so we’ve made sure that our Spirulina capsules are 100% organic. Each...

It assists in maintaining optimum health. It’s a USA-based company that deals in pure spirulina capsules that is gluten-free, non-GMO, and vegan.

Features

  • Trust: Vimerson promises each batch is formulated with safety and doesn’t contain harsh chemicals. Gluten or dairy.
  • Healthy: It promotes a healthy lifestyle and keeps you energetic. It supports cardiovascular health, body detoxification, and maintaining blood sugar levels.
  • Superior Profile: Maintains cholesterol and blood pressure levels. The nine essential amino acids create a balanced diet.
  • Vegan: It’s vegan and gluten-free. It’s a non-GMO product with high-quality herbs, minerals, and vitamins. It’s an advanced formula suitable for men and women. It’s easy to swallow and power packed with goodness.

Pros

  • GMP Certified
  • Non-GMO, vegan, gluten free
  • It contains six types of amino acids
  • Good for maintaining blood pressure and blood sugar

Cons

  • Some may get stomach cramps
  • Some didn’t find it much effective

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8. Nutricost Spirulina Capsule – Best Organic Spirulina

If you’re suffering from low immunity, Nutricost spirulina capsule is a boon for you.

Nutricost Spirulina 3,000mg, 180 Capsules - CCOF Certified Made with Organic Spirulina, Gluten Free, Vegetarian
  • Certified To Be Made With Organic Spirulina by CCOF
  • 3000mg Per Serving, 180 Capsules Per Bottle For 30 Servings
  • Superfood Green Algae, Vegetarian

It increases your energy levels and reduces premature aging. It’s a pure vegan non-GMO product free from artificial fillers.

Features

  • Superfood: High in vitamins and minerals, this greenish-blue algae is one of the richest superfoods on the planet. It’s 100% vegetarian tablets.
  • USA-based: It’s a USA-based company and is GMP compliant and FDA-approved.
  • Quantity: One bottle contains 180 capsules apt for 30 servings. It’s 3000mg per serving.
  • Third-Party Tested: It’s third-party tested, non-GMO, gluten-free, and contains pure spirulina powder.

Pros

  • Boost immunity
  • Super green food 
  • Aids in digestion
  • Easy to swallow

Cons

  • Some may find it a bit expensive
  • Some felt headaches after consumption

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9. Organic Spirulina Chlorella Capsules –  Best Alkalizing Spirulina Supplement 

USDA-approved organic spirulina supplements, SNAP Organic Spirulina Chlorella Capsules contain organic chlorella.

Organic Spirulina Chlorella Capsules - Spirulina Green Superfoods for Heart Support, Natural Energy - Spirulina Supplement, Spirulina and Chlorella Powder, Plant Vitamins (120 Capsules)
  • USDA ORGANIC: The most balanced superfoods known to man. Green algaes are a densely packed array of complete proteins,...
  • NATURAL ENERGY: Our organic spirulina supplement offers dense and complete protein complex rarely found in plants. Once taken...
  • HEART SUPPORT: The spirulina chlorella organic supplement will help lower LDL cholesterol and improve arterial flow to...

Among the best US-made body alkalizing green complexes— it’s a natural energy booster. Green algae are nutrient-dense and good for absorption. A healthy gut, a healthy heart, and a healthy mind are all supported by it. It also helps in controlling glucose and glycemic index.

Features

  • USDA Approved: It’s a USA-manufactured product that is FDA and GMP-certified. It contains an array of essential vitamins and minerals.
  • Energetic: The dense protein provides muscle strength and stamina to runners and workout people. Many athletes take spirulina supplements for par excellence.
  • Heart Support: It helps lower LDL and cholesterol by controlling blood pressure. It contains saturated fatty acids that help in providing good fats. 
  • Glucose Control: It increases insulin sensitivity. Therefore, if you have diabetes and are looking for a natural supplement— It can be a better option.
  • 90-Day Money Back Guarantee: What else do you want? If you aren’t satisfied with the product, you can ask for a refund. However, the company request you take the supplement for 90 days to see a notable difference.

Pros

  • Certified product
  • Controls diabetes
  • Improves gut functioning
  • Aids in eye, brain, and heart health

Cons

  • Some found the nutritional information misleading
  • The bottle doesn’t last long as you have to take 2 to 4 pills per day

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10. California Spirulina Capsules – Pure Californian Spirulina Capsules

The last on our list is Healths Harmony California Spirulina Capsules— a superfood that ensures high-quality spirulina powder without harmful chemicals.

California Spirulina Capsules (Non-GMO) 120 Vegetarian Capsules 500mg - Blue Green Algae Superfood from Spirulina Powder - Grown in California - Gluten Free & Non-irradiated - No Tablets
  • Pure California spirulina: We searched high and low to find the highest-quality spirulina grown away from pollution and with...
  • Nutrition that packs a punch: When grown in pristine conditions and correctly harvested, spirulina is widely believed to be...
  • Terrific for body and mind: Spirulina is packed with vitamins. 65% proteins and amino acids means it can help your body...

It’s proudly made in the USA and has GMP certification. GMO-free and 100% natural, the company guarantees good health and premium quality. Its spirulina contains 65% proteins and amino acids best for maintaining good health.

Features

  • Pure Spirulina: Heaths Harmony believes in growing spirulina in a natural environment, free from pollution or pesticides— you get the purest spirulina capsules. The potency of this superfood lets you get supplements without fillers or artificial colors.
  • Nutritious: When we say high nutrition- it ensures good quality spirulina harvested in pristine conditions. It’s apt for vegan people who want nutrition in a tablet.
  • For Mind and Body: It contains 65% of proteins and amino acids to restock body-building blocks— so you get healthier hair, skin, nails, and bones. 
  • Light on Belly: Other supplements may be hard for your belly but these are easy on the belly. The ingredients of the products get incorporated into the body within an hour. It’s easy to take, and you can have it anytime and anywhere without any issues.

Pros

  • USA grown 
  • Nutrition dense
  • Easy digestible
  • 100% pure spirulina
  • Great for a healthy mind and body

Cons

  • Less dose per capsule
  • Bad taste as per users

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Spirulina Capsules FAQs- We thought you might ask!

Can I Take Spirulina While Taking Metformin?

Yes, you can consume metformin with spirulina if your doctor has prescribed it. However, studies show that there are no interactions between spirulina and metformin.

It’s good to be sure before taking any dietary supplement. If you’re taking both, monitor your blood sugar periodically as spirulina may lower blood sugar, and you may have to adjust your insulin doses accordingly.

Which Green Is Best for Diabetes?

Green leafy vegetables are crucial for diabetic patients. It’s important to include green veggies like spinach, kale, lettuce, broccoli, cabbage, collard greens, etc. in your food. You can have a glass of greens smoothie in the morning.

spinach in a strainer

Add the best spirulina powder for smoothies, and you’re good to go for a whole day. A balanced meal with medication is the key to diabetes management. However, if you have a tight schedule— go for spirulina powders for fulfilling the nutritional gap. 

How Many Spirulina Capsules Should You Take a Day?

You should take 2 to 4 spirulina capsules per day. The appropriate dosage is 3 to 5 grams of spirulina per day will be impactful. Don’t exceed the limit. You may feel nauseated or get headaches. 

Can You Take Spirulina on an Empty Stomach?

Yes, you can take spirulina on an empty stomach. The best way to consume spirulina is first thing in the morning.

It will provide maximum absorption. But it’s not necessary to do so, but if you decide to take it, keep a gap of 20 minutes before taking any solid food.

Conclusion

Spirulina is a nutritious cyanobacterium that aids in lowering cholesterol levels, suppressing oxidation, reducing high blood pressure, increasing immunity, and lowering blood sugar levels. It explains why diabetics go for herbal medicine. The spirulina capsules offered are chosen for quality and according to customer feedback.

We advise spirulina since numerous studies demonstrate that it’s excellent for managing diabetes and enhancing lipid profiles. It raises immunity while bringing down HDL cholesterol. You can incorporate spirulina into your routine, but you should consult your doctor.

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