Certified Organic Spirulina Powder for Energy and Nutritional Support

Core Product Details

• Botanical Name: Arthrospira platensis (italics)
• Plant Family: Cyanobacteria (blue-green algae)
• Plant Part Used: Whole algae biomass
• Processing Method: Micro-Powder
• Country of Origin: China
• Texture & Colour: Fine, vibrant blue-green powder with a smooth, silky texture and distinctive earthy, mineral-rich aroma

Quality & Purity

• Certified Organic: Grown in pristine, controlled freshwater environments without synthetic pesticides, herbicides, GMO inputs, or chemical fertilisers. Certified to Australian and international organic standards, guaranteeing clean, pure nutrition in every serve.

• 100% Pure & Natural: No fillers, synthetics, additives, flow agents, or preservatives. Just pure Spirulina, micro-powdered for maximum nutrient bioavailability.

• Vegan & Cruelty-Free: 100% plant-based with no animal-derived ingredients. Never tested on animals at any stage of production.

• Australian Brand: Proudly Australian-owned and operated, committed to transparency, sustainability, and ethical sourcing.

• Quality Assured: Each batch is carefully selected and tested for purity, botanical integrity, and freedom from contaminants including heavy metals and microcystins.

Botanical Profile & Key Constituents

What does Spirulina Powder smell and taste like?

Spirulina's dry powder carries a distinctive earthy, mineral-rich scent reminiscent of freshwater algae, with a taste that is savory, slightly grassy, and subtly reminiscent of seaweed. Spirulina or Arthrospira is a blue-green alga that became famous after it was successfully used by NASA as a dietary supplement for astronauts on space missions, and refers to the dried biomass of Arthrospira platensis, an oxygenic photosynthetic bacterium found worldwide in fresh and marine waters. Its unique flavour profile is a direct reflection of its extraordinary nutrient density—high in chlorophyll, phycocyanin, and naturally occurring minerals—and has been valued by traditional cultures from ancient Aztec civilisations to African communities for centuries as a sustainable, complete food source.

• Key Constituents: Spirulina is a source of high-quality protein (55–70%), carbohydrates (15–25%), dietary fibre (8–10%), fats (6–9%) and minerals (7–13%). Spirulina is rich in natural pigments, including phycocyanin (14–20%), as well as chlorophyll (1%) and carotenoids (0.5%). Phycocyanin, the signature blue pigment, offers powerful antioxidant and anti-inflammatory benefits. It contains significant amounts of potassium, phosphorus, calcium, iron, sodium, and magnesium, and also includes zinc, copper, manganese, and selenium.

• Traditional Heritage: It has a long history of use as food and it has been reported that it has been used during the Aztec civilization. Arthrospira has long been used as a nutrient-rich food source with the oldest records indicating use by the Aztecs who harvested this alga from Lake Texcoco in Mexico, and has also long been harvested by the local people from natural populations in Lake Chad, and used as a nutritional supplement known as "dihe". This ancient wisdom, now validated by modern science, positions Spirulina as one of the most complete, sustainable plant-based foods on Earth.

How do you use Spirulina Powder?

Mix into smoothies, stir into juices, or blend into energy bowls for daily nutritional support.

Traditional Wellness Uses

• Energy & Vitality Support: The dense nutritional profile—complete proteins, B vitamins, iron, and magnesium—helps reduce fatigue and maintain energy, especially for those with high physical or mental demands. Spirulina has been traditionally consumed by cultures around the world, from the Aztecs to communities around Lake Chad in Africa, as a sustainable, nutrient-rich food source to support stamina and overall wellness. For traditional recipes and modern energy-boosting ideas, explore Spirulina Powder for Energy: Recipes & Nutrition Guide.

• Immune & Antioxidant Wellness: Phycocyanin, the main antioxidant in spirulina, possesses anti-inflammatory properties, while it has the ability to modulate immune functions and exhibits anti-inflammatory properties by inhibiting the release of histamine by mast cells. Spirulina has been used traditionally to support the body's natural defences during seasonal transitions and periods of increased stress.

Skin & Hair Benefits

• Radiant Skin & Healthy Ageing: In vitro studies indicate that spirulina can promote cell proliferation, inhibit enzymes responsible for premature aging, increase collagen production, and its bioactive components enhance fibroblast growth, boost collagen production, and prevent premature skin aging by inhibiting enzymes responsible for elastin degradation. Spirulina has been incorporated into traditional beauty rituals to promote a clear, glowing complexion and support skin hydration. For step-by-step DIY beauty recipes, visit How to Use Spirulina Powder for Skin & Hair.

• Hair Strength & Scalp Nourishment: Spirulina is rich in amino acids and antioxidants that promote hair growth and strengthen follicles, helping reduce breakage, and its anti-inflammatory properties can soothe the scalp and alleviate dandruff or itching. Spirulina has been used topically in hair masks and scalp treatments to support healthy, vibrant hair growth and shine.

Nutritional & Botanical Properties

• Spirulina is a source of high-quality protein (55–70%), carbohydrates (15–25%), dietary fibre (8–10%), fats (6–9%) and minerals (7–13%).

• Spirulina is rich in natural pigments, including phycocyanin (14–20%), as well as chlorophyll (1%) and carotenoids (0.5%). Phycocyanin is the signature blue pigment unique to Spirulina, offering potent antioxidant and anti-inflammatory benefits.

• The microalga is a source of vitamins, mainly B vitamins (B1, B2, B3, B6, and B12) and provitamin A or vitamin E, and the polyunsaturated fatty acids include gamma-linolenic acid and linoleic acid.

Is Spirulina Powder safe to take every day?

Yes, when sourced from a certified organic, tested supplier and consumed within traditional suggested amounts (1-3 grams daily).

Spirulina is considered nontoxic to humans at usual levels of consumption and has GRAS status according to the FDA. Studies show that doses up to 8 grams daily appear safe for most people without serious side effects. For long-term daily use, consistency and quality matter most—always choose certified organic Spirulina from a reputable supplier and consult a healthcare practitioner if you have any health concerns or are taking medication.

What does Spirulina Powder taste like?

Spirulina has an earthy, mineral-rich flavour with subtle seaweed-like notes and a slightly grassy, umami undertone.

Spirulina has a natural, earthy undertone, the flavor may have hints of minerals possibly due to its high nutrient content, can possess a slight bitterness characteristic of many nutrient-rich foods, and certain individuals perceive spirulina's flavor as savory, resembling seaweed. The intensity of flavour depends on the quality and processing method—high-quality, fresh, or freeze-dried Spirulina tends to have a cleaner, more neutral taste. Spirulina blends beautifully into smoothies with banana, mango, or pineapple, or can be mixed with citrus juices, honey, and coconut water to balance its natural mineral character.

Where to Buy

Where can I buy Certified Organic Spirulina in Australia?

purelyBlack offers Certified Organic Spirulina with free shipping Australia-wide, available directly at purelyblack.com.

purelyBlack's Spirulina is sourced from trusted certified organic farms, micro-powdered for superior bioavailability, and rigorously tested for purity and quality. As a proudly Australian-owned brand, purelyBlack makes it easy to access premium, ethically sourced superfoods delivered straight to your door, with the confidence of certified organic integrity and transparent supply chains.

Spirulina Suggested Serving

• Spirulina has typically been studied in daily dosages of 1 to 10 g, and research suggests that a safe and effective daily dosage for adults is typically in the range of 3 to 10 grams per day. Begin with ½ to 1 teaspoon (approximately 1-2 grams) daily and gradually increase as tolerated. For general wellness, 1 teaspoon (approximately 3 grams) daily is a traditional suggested amount.

Master Class: How to Make Spirulina Tea

1. Boil 250 ml of filtered water and allow to cool slightly to approximately 70-80°C to preserve enzymes.
2. Measure ½ teaspoon of Spirulina Powder into your favourite mug or cup.
3. Pour the warm water over the powder and whisk gently with a small whisk or fork until completely dissolved into a vibrant blue-green liquid.
4. Add a squeeze of fresh lemon juice and a drizzle of raw honey or maple syrup to balance the earthy, mineral-rich flavour.
5. Sip slowly and enjoy this traditional, nutrient-dense tonic first thing in the morning or mid-afternoon for sustained vitality.

Spirulina Smoothie & Food Uses

• Tropical Green Smoothie: Blend 1 frozen banana, ½ cup frozen mango, 1 teaspoon Spirulina Powder, 1 cup coconut milk, and a handful of baby spinach until smooth and creamy for a refreshing, nutrient-packed breakfast.

• Energy Protein Bowl: Stir 1 teaspoon Spirulina Powder into your morning oatmeal or smoothie bowl and top with fresh berries, hemp seeds, and almond butter for sustained energy and complete plant protein.

• Green Pesto Pasta: Blend 1 teaspoon Spirulina Powder with fresh basil, garlic, olive oil, lemon juice, and pine nuts to create a vibrant, antioxidant-rich pesto sauce for pasta or grain bowls.

DIY Topical Application

• Spirulina Glow Mask: Mix 1 teaspoon Spirulina Powder with 1 tablespoon raw honey and 1 teaspoon aloe vera gel. Apply evenly to clean, dry skin, leave for 10-15 minutes, then rinse with warm water and pat dry. For external use only.

• Revitalising Hair Mask: Combine 1 teaspoon Spirulina Powder with 2 tablespoons melted coconut oil and 1 teaspoon jojoba oil. Massage gently into the scalp and through the hair lengths, leave for 20-30 minutes, then shampoo and rinse thoroughly. For external use only.

Pairs Well With

Amla Powder | Lemongrass Powder | Wheatgrass Powder | Moringa Powder | Matcha Powder

General Safety Guidelines

• Consult a Healthcare Professional: Always consult a qualified health practitioner before using Spirulina, especially if you are pregnant, breastfeeding, on medication, or have pre-existing health conditions.

• Medication Interactions: People taking certain blood-pressure-lowering, immunosuppressant, or cholesterol-lowering medications may need to avoid spirulina due to the potential for interaction. Spirulina may interact with immunosuppressive drugs by stimulating the immune system, may alter the effectiveness of blood thinners increasing the risk of bleeding, and when taken with diabetes medications may affect blood glucose control.

• Safe Storage: Store in a cool, dark place in an airtight container away from direct sunlight and moisture to preserve nutrient integrity. Best consumed within 12 months of opening.

Specific Precautions

• Pregnancy & Nursing: The safety of spirulina during pregnancy hasn't been determined. Because of the possible presence of mercury and other heavy metal contaminants in spirulina, use should be avoided during pregnancy. If you choose to use Spirulina during pregnancy or lactation, source only from reputable, tested, certified organic suppliers and consult your healthcare provider.

• Children: Spirulina should not be taken by children because of its potential contamination with harmful toxic compounds and heavy metals, and the safety of spirulina supplementation during pregnancy and lactation has not been established, so avoidance is warranted until more research is available.

• Sensitive Individuals: People with any sort of autoimmune disorder should avoid it. Spirulina contains the essential amino acid phenylalanine (2.6–4.1 g/100 g), which should be avoided by people who have phenylketonuria, a rare genetic disorder. Individuals with seafood or iodine allergies should use caution, although Spirulina contains minimal iodine.

• Contamination Risk: Choose only certified organic Spirulina from reputable suppliers with transparent third-party testing for heavy metals, microcystins, and bacterial contamination to minimise health risks.