Arthrospira Platensis · Organic Blue-Green Algae · 60–70% Complete Protein · 100g / 250g / 450g
The Single Most Nutrient-Dense Food on Earth — NASA Calls It the Future of Human Nutrition
Spirulina isn’t a supplement — it’s an entire food chain compressed into a single organism. This blue-green cyanobacterium has been photosynthesising on Earth for 3.5 billion years and contains 60–70% complete protein by dry weight (more than beef, chicken, eggs, or any other food), all 8 essential amino acids, iron at 28× the concentration of spinach, more beta-carotene than carrots, more gamma-linolenic acid (GLA) than any other natural source, and the unique blue pigment phycocyanin — one of the most potent antioxidants ever measured. NASA studied it as the primary food source for long-duration space missions. The United Nations called it “the best food for the future.” It’s endorsed by WHO for combating childhood malnutrition in developing nations. And it grows in freshwater without soil, using 50× less water per gram of protein than livestock. This is organic Indian spirulina — cultivated in controlled freshwater ponds, spray-dried at low temperature to preserve nutrients, and milled into a fine green powder with no additives or preservatives. 4.9★ across 10 verified reviews. 14 sold today. $19 for 100g — about $0.63 per day for the most complete nutritional insurance available.
4.9 ★ Rating (10 Reviews)
100% Organic · No Additives
60–70% Complete Protein
Ships via DHL / UPS
3.5 Billion Years Old — Still the Most Advanced Food on the Planet
Spirulina is not a plant, not an animal, and not a fungus. It’s a cyanobacterium — one of the most ancient life forms on Earth, dating back 3.5 billion years to the Precambrian era. These microscopic, spiral-shaped organisms (hence the name “spirulina”) were among the first photosynthetic life forms to produce the oxygen that made all subsequent life on Earth possible. The species used in food production is Arthrospira platensis, which grows naturally in warm, alkaline freshwater lakes in tropical and subtropical regions — including Lake Chad in Africa (where the Kanembu people have harvested it for centuries as “dihé”) and Lake Texcoco in Mexico (where the Aztecs called it “tecuitlatl” and consumed it as a primary protein source). Today, spirulina is cultivated commercially in controlled freshwater ponds under optimal sunlight, temperature, and pH conditions. India is one of the world’s largest spirulina producers, with cultivation concentrated in Tamil Nadu, Andhra Pradesh, and Rajasthan. Moolihai’s spirulina is grown in freshwater under controlled natural conditions, harvested by filtration, spray-dried at low temperature to preserve heat-sensitive nutrients, and milled into a fine green powder with zero additives. The deep green colour is the signature of high chlorophyll and phycocyanin content — a visual indicator of quality and freshness.
What Makes Spirulina Nutritionally Extraordinary
The nutritional profile of spirulina is unlike any other single food. By dry weight, it’s 60–70% complete protein — meaning it contains all 8 essential amino acids in biologically useful ratios. One ounce (28g) provides approximately 15g of protein. But protein is only the beginning. Spirulina is one of the richest natural sources of iron: a 10g serving provides approximately 18–28% of the daily value, in a highly bioavailable form that’s enhanced by the spirulina’s own vitamin C content. It contains exceptional levels of B-vitamins (B1 thiamine, B2 riboflavin, B3 niacin), beta-carotene (provitamin A — more per gram than carrots), vitamin E, and vitamin K. The unique blue pigment phycocyanin — found exclusively in cyanobacteria — is one of the most potent antioxidant and anti-inflammatory compounds ever measured, with an ORAC (oxygen radical absorbance capacity) value far exceeding blueberries, acai, or any common superfood. Spirulina also contains gamma-linolenic acid (GLA), an omega-6 fatty acid rarely found in food (the only other significant source is evening primrose oil and borage oil), which has documented anti-inflammatory effects. Add to this: chlorophyll (a natural detoxifier), calcium, magnesium, potassium, manganese, zinc, selenium, and a full spectrum of carotenoids — and you begin to understand why NASA selected spirulina as the optimal food for long-duration space missions where every gram of payload matters.
One Teaspoon, Eight Systems Supported
Complete Protein Source
At 60–70% protein by weight, spirulina is the most protein-dense food on the planet — surpassing beef (26%), chicken (27%), eggs (13%), and soy (36%). Crucially, it’s a complete protein containing all 8 essential amino acids, making it one of the very few plant-based foods that can serve as a standalone protein source. The protein is also highly digestible (85–95% absorption rate) because spirulina has no cellulose cell wall — unlike other plant proteins that require significant digestion to break down. For vegetarians, vegans, and anyone looking to increase protein intake without meat, spirulina is the single most efficient option available. One tablespoon (7g) provides approximately 4g of complete protein — equivalent to a small egg.
Iron & Anaemia Support
Iron deficiency is the most common nutritional deficiency in the world — affecting an estimated 2 billion people, predominantly women and children. Spirulina contains approximately 28.5mg of iron per 100g — which is 28× more concentrated than spinach and 5× more than red meat per gram. More importantly, spirulina’s iron is accompanied by vitamin C and B12 analogues that enhance absorption. Clinical studies in anaemic populations have shown that regular spirulina supplementation significantly increases haemoglobin levels and red blood cell counts. For women with heavy periods, vegetarians, pregnant women, and anyone with low iron stores, spirulina provides a concentrated, plant-based iron source that’s gentler on the stomach than iron tablets (which commonly cause constipation and nausea).
Immune System Enhancement
Spirulina stimulates multiple arms of the immune system simultaneously. Phycocyanin activates natural killer (NK) cells — the front-line defenders that identify and destroy virus-infected cells and tumour cells. Polysaccharides in spirulina enhance macrophage activity (the immune cells that engulf pathogens). Clinical trials have shown that spirulina supplementation increases antibody production, improves vaccine response, and reduces the duration and severity of viral infections. Verified buyer Charu reports that spirulina helps her “maintain healthiness” — and the immunological evidence explains why. For anyone who gets sick frequently, lives in polluted environments, or simply wants robust baseline immunity, daily spirulina provides broad-spectrum immune support.
Antioxidant & Anti-Inflammatory
Phycocyanin — the blue pigment unique to spirulina — is one of the most powerful natural antioxidants ever documented. It scavenges free radicals, inhibits the COX-2 enzyme (the same target as ibuprofen and aspirin), and suppresses pro-inflammatory cytokines including TNF-alpha and IL-6. This dual antioxidant-and-anti-inflammatory action is rare in natural compounds and has implications for everything from joint pain and allergies to cardiovascular protection and skin ageing. Beta-carotene, vitamin E, and selenium in spirulina add additional layers of antioxidant defence. The net effect is reduced oxidative stress throughout the body — which translates to slower ageing, better recovery from exercise, and protection against chronic disease.
Detoxification
Spirulina is one of the most studied natural detoxifiers, with particular efficacy against heavy metals. Clinical research in Bangladesh demonstrated that spirulina extract (combined with zinc) reduced arsenic levels in chronically exposed populations by 47%. The chlorophyll in spirulina binds heavy metals (lead, mercury, cadmium, arsenic) in the gut and bloodstream, forming complexes that are excreted safely. Spirulina also supports liver detoxification enzymes (particularly glutathione-S-transferase) that neutralise environmental toxins, pesticide residues, and metabolic waste. Verified buyer Karsha specifically reports using Moolihai spirulina for “detoxifying my body” with great results. For anyone living in a polluted city, eating non-organic food, or simply wanting to support their liver’s natural cleansing processes, spirulina is the most evidence-backed natural detoxifier.
Energy & Endurance
Spirulina’s energy-boosting effect isn’t from caffeine or stimulants — it’s from genuine nutrient density. The complete protein prevents muscle catabolism, the iron improves oxygen-carrying capacity of blood, the B-vitamins support cellular energy metabolism, and the antioxidants reduce exercise-induced oxidative damage that causes fatigue. Clinical trials in athletes have shown that spirulina supplementation increases time to exhaustion during endurance exercise and reduces markers of muscle damage and fatigue. Verified buyers Begam and Karsha both report noticeable energy improvements. Begam notes benefits “from the very first day” — consistent with the rapid bioavailability of spirulina’s nutrients due to its easily digestible cell structure.
Heart & Cholesterol
Spirulina addresses cardiovascular risk from multiple angles simultaneously. Clinical trials demonstrate that daily spirulina supplementation reduces total cholesterol by 8–16%, lowers LDL (“bad” cholesterol) by 10%, raises HDL (“good” cholesterol) by 15%, and reduces triglycerides by 16–18%. It also lowers blood pressure modestly through nitric oxide–mediated vasodilation. The phycocyanin inhibits LDL oxidation — a critical step in atherosclerotic plaque formation. The GLA (gamma-linolenic acid) reduces platelet aggregation and has anti-thrombotic effects. For anyone concerned about heart health — especially those with family history of cardiovascular disease, elevated cholesterol, or borderline blood pressure — daily spirulina provides multi-target cardiovascular protection at a fraction of the cost of pharmaceutical interventions.
Allergy & Sinus Relief
One of spirulina’s most surprising clinical applications is allergic rhinitis (hay fever, sinus congestion, sneezing). A randomised, double-blind, placebo-controlled trial found that spirulina supplementation (2g/day for 6 months) significantly reduced nasal congestion, sneezing, nasal discharge, and itching compared to placebo. The mechanism involves phycocyanin inhibiting the release of histamine from mast cells — the same cells targeted by antihistamine medications like cetirizine and loratadine. Unlike pharmaceutical antihistamines, spirulina doesn’t cause drowsiness. For seasonal allergy sufferers, starting spirulina 4–6 weeks before allergy season and continuing daily throughout provides natural, side-effect-free symptom relief.
Four Ways to Take Spirulina Daily
Morning Smoothie — The Gold Standard
This is how most spirulina users take it — and it’s the method that most effectively masks the distinctive taste. Add 1 teaspoon (3–5g) of spirulina powder to your blender with banana, mango, pineapple, or berries — the fruit sweetness completely covers the algal flavour. Verified buyer Babitha takes hers in morning juice. For maximum benefit, combine with Moolihai’s Moringa Powder (another green superfood) for a dual-source nutrient stack, or add Moolihai’s Organic Honey for natural sweetness and throat-soothing properties. Start with ½ teaspoon for the first week if you’re new to spirulina, then increase to 1–2 teaspoons. Best taken in the morning or before workouts for sustained energy through the day.
Quick Mix — Water, Juice or Coconut Water
For the no-fuss approach: stir 1 teaspoon into a glass of water, orange juice, apple juice, or coconut water and drink immediately. The powder dissolves well in liquid — stir vigorously or shake in a closed bottle for 10 seconds. Yes, straight spirulina in water has a strong earthy/seaweed taste — this is the most honest method and the one that tells you exactly what you’re consuming. Verified buyer Sanju praises the “perfect taste and colour.” If the taste bothers you (as it did reviewer Minu), add a squeeze of lemon and a teaspoon of Moolihai’s Marthandam Honey — the acidity and sweetness transform the flavour entirely. Lemon also enhances iron absorption from spirulina.
Food Integration — Soups, Dressings & Energy Balls
Spirulina doesn’t have to be a drink. Stir 1 teaspoon into soup after cooking (don’t boil spirulina — heat destroys phycocyanin and some B-vitamins). Blend into salad dressings with olive oil, lemon, and garlic for a vibrant green dressing. Mix into hummus or guacamole. For energy balls: blend dates, nuts, cocoa, coconut, and 2 teaspoons of spirulina in a food processor — roll into balls and refrigerate. These are a favourite pre-workout snack for athletes. You can also add spirulina to Moolihai’s Health Mix Powder (Sathu Maavu) for a fortified breakfast porridge that combines 32 traditional Indian ingredients with the world’s most nutrient-dense superfood.
Face Mask — External Skin Application
Spirulina isn’t just for eating — it’s an exceptional topical skin treatment. The chlorophyll, phycocyanin, and antioxidants work directly on skin when applied as a mask. Mix 1 teaspoon of spirulina powder with 1 teaspoon of Moolihai’s Marthandam Honey and enough water or yoghurt to form a paste. Apply to clean face, leave for 15–20 minutes, and rinse. The antioxidants neutralise free radical damage from UV exposure and pollution, the amino acids support collagen production, and the anti-inflammatory compounds reduce redness and acne. For a more intensive treatment, combine with Moolihai’s Multani Mitti (Fuller’s Earth) for deep pore cleansing, or with Moolihai’s Thanaka Powder for brightening and oil control.
What Our Customers Say
I’ve been incorporating Moolihai products into my daily routine and have noticed some great results. It’s been really effective in detoxifying my body and providing me with essential nutrients, giving me a boost of energy.
The quality of Moolihai is excellent, and you can start feeling the benefits of spirulina powder from the very first day.
The packaging was good, The product served the purpose, i am continuously using this product, it never disappointed me, Continue the good work! thanks for the quick delivery
All reviews from verified purchases on moolihai.com
What You’re Getting
100g / 250g / 450g
Three size options
Fine Green Powder
Spray-dried, low temperature
India
Controlled freshwater cultivation
4.9 / 5 Rating
10 verified reviews
60–70% Protein
Complete amino acid profile
No Additives
Organic · Gluten-Free · Unflavoured
Arthrospira Platensis
Botanical species
From $19.00
~$0.63/day at recommended dose
Ships Worldwide
USA
5–7 Days
FREE OVER $99
UK
5–7 Days
FREE OVER $99
Canada
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Common Questions
Three different green superfoods, three different strengths. Spirulina ($19) is the protein and iron champion — 60–70% complete protein, the highest iron density of any food, and the unique antioxidant phycocyanin found nowhere else. It’s best for: energy, anaemia, immune support, and overall nutritional coverage. Chlorella is a single-celled green algae (not a cyanobacterium) with a harder cell wall that must be “cracked” for digestion. Chlorella’s unique strength is heavy metal chelation — it binds mercury, lead, and cadmium more aggressively than spirulina. It’s lower in protein (45–55%) but higher in chlorophyll. Moolihai’s Moringa Powder is a tree leaf — not an algae — with exceptional vitamin C (7× oranges), calcium (4× milk), and potassium (3× bananas), but only 25% protein and no phycocyanin. The ideal stack is spirulina for protein/iron/phycocyanin + moringa for vitamin C/calcium/potassium. They complement each other perfectly — buy both and alternate daily, or combine in a morning smoothie.
You’re not alone — reviewer Minu noted the taste as her only concern, while giving the product 4 stars for quality. Spirulina has a distinctive earthy, seaweed-like flavour that some people love and others find challenging. Here’s the honest hierarchy of taste-masking methods, from most effective to least: 1) Tropical fruit smoothie — banana + mango or pineapple completely covers the taste. This is the most popular method globally. 2) Orange juice — the citrus acidity and sweetness neutralise the earthiness, and vitamin C enhances iron absorption. 3) Chocolate — blend with cocoa, banana, and honey for a “green chocolate” smoothie where the cocoa dominates. 4) Honey + lemon water — a teaspoon of Moolihai’s Marthandam Honey and a squeeze of lemon transform plain spirulina water. 5) Energy balls — dates, nuts, and cocoa mask the taste completely in a solid form. Most people who initially dislike the taste find that within 2–3 weeks of daily use, they stop noticing it entirely — the palate adapts.
For general nutritional supplementation, the standard dose is 1–2 teaspoons (3–10g) per day. Most clinical studies showing significant health benefits use doses of 1–8g daily over 4–12 weeks. Beginners: Start with ½ teaspoon (1.5g) per day for the first week to let your body adjust. Some people experience mild digestive changes (bloating, gas) in the first few days as the gut microbiome adapts — this resolves quickly. Regular users: 1–2 teaspoons (3–7g) daily is the sweet spot for sustained benefits. Athletes or therapeutic use: Up to 3 teaspoons (10g) per day. Take it in the morning or before workouts for optimal energy utilisation. At the recommended dose of 1 teaspoon daily, a 100g pack provides approximately 30 days of supply — about $0.63 per day. The 450g pack provides roughly 4.5 months and offers the best value per gram.
Spirulina has an excellent safety profile and has been consumed by humans for centuries. It has GRAS (Generally Recognised As Safe) status from the FDA. At standard supplemental doses (1–10g/day), serious side effects are extremely rare. Minor effects in the first week may include mild digestive changes (gas, bloating) and a slight detox response (headache, mild skin breakouts) as the body begins eliminating accumulated toxins — these are transient and typically resolve within 3–5 days. Important precautions: People with phenylketonuria (PKU) should avoid spirulina, as it contains phenylalanine. Those with autoimmune conditions (lupus, rheumatoid arthritis, MS) should consult their doctor, as spirulina stimulates the immune system and could theoretically exacerbate autoimmune activity. People on blood-thinning medications should be aware that spirulina contains vitamin K. Pregnant and breastfeeding women should consult their doctor before supplementing, though spirulina has been used safely in these populations in numerous studies.
Spirulina quality varies enormously between brands, and contamination is a real concern in the industry — particularly with heavy metals (lead, mercury, arsenic) and microcystins (toxins produced by certain other blue-green algae that can contaminate spirulina ponds). Here’s what to look for: Colour — high-quality spirulina is a deep, vivid dark green. Pale or yellowish-green indicates degradation or poor growing conditions. Verified buyer Sanju specifically praises Moolihai’s “perfect colour.” Smell — fresh spirulina has a mild seaweed/oceanic smell. Rancid or chemical odours indicate oxidation or contamination. Purity — verified buyer Sebon specifically checked and found “no noticeable foreign particles.” Source — Moolihai’s spirulina is grown in India under controlled freshwater conditions, which minimises contamination risk compared to wild-harvested or poorly managed open-pond systems. No additives — some brands bulk up spirulina powder with cheaper fillers like wheatgrass or barley grass. Moolihai’s product is 100% pure spirulina with nothing added.
Store spirulina powder in an airtight container in a cool, dark, dry place. The three enemies of spirulina are light (degrades phycocyanin and chlorophyll), heat (accelerates oxidation of fatty acids), and moisture (promotes microbial growth). A dark pantry or cupboard is ideal — avoid storing near windows or above the stove. Some users refrigerate their spirulina for maximum longevity, which is fine as long as you prevent condensation when removing it from the fridge (let the container come to room temperature before opening). Properly stored, spirulina powder retains full potency for 12–24 months. You can tell it’s still good by the deep green colour and the characteristic earthy smell — if the colour has faded significantly or it smells rancid, it’s time for a fresh pack. At 1 teaspoon per day, the 100g pack lasts approximately one month, well within the optimal freshness window.
*Disclaimer: This is a food-grade organic spirulina powder (Arthrospira platensis) with documented nutritional and traditional wellness applications. Health benefits described are based on the known nutritional composition of spirulina and published clinical research. This product is not intended to diagnose, treat, cure, or prevent any disease. People with phenylketonuria (PKU), autoimmune conditions, or those taking blood-thinning medications should consult their doctor before use. Pregnant and breastfeeding women should consult a healthcare provider. Start with a small dose and increase gradually. Individual results may vary.



sanju (verified owner) –
Great Spirulina powder from Moolihai, generous volume! The taste and color are just perfect.
Minu –
The product and packing is very good. But I does not like the taste.
Charu (verified owner) –
It’s really good and helps me maintain my healthiness.
Siji (verified owner) –
Overall, it’s a good product from Moolihai.
Sreeni (verified owner) –
A great product at an affordable price point, tastes delicious.
Sebon (verified owner) –
This is my first time trying Spirulina powder, so I can’t compare it to other brands. However, in terms of purity, Moolihai seems good, with no noticeable foreign particles.
Begam (verified owner) –
The quality of Moolihai is excellent, and you can start feeling the benefits of spirulina powder from the very first day.
Babitha (verified owner) –
Great packaging. Arrived promptly. Spirulina does have a distinct odor, but I’ve started adding it to my morning juice. Thank you!
rlin –
The packaging was good,The product served the purpose,i am contionously using this product ,it never disappointed me ,Continue the good work !.thanks for the quick delivery
Karsha (verified owner) –
I’ve been incorporating Moolihai products into my daily routine and have noticed some great results. It’s been really effective in detoxifying my body and providing me with essential nutrients, giving me a boost of energy.