Is blue spirulina FDA approved?

Yes. Blue spirulina, specifically the pigment phycocyanin extracted from spirulina, is generally recognized as safe (GRAS) by the FDA when properly sourced and processed.

What does blue spirulina do for the brain?

It may help support cognitive function and reduce oxidative stress thanks to its high antioxidant concentration, particularly phycocyanin.

Does spirulina block B12 absorption?

Whole spirulina contains B12 analogs that may interfere with real B12 absorption. However, blue spirulina (phycocyanin-only) does not contain these analogs and is generally safe for people with B12 sensitivity.

What happens to your body when you start taking spirulina?

Many people experience increased energy, better digestion, and enhanced immune response . These benefits are linked to spirulina’s complete amino acid profile and nutrient density.

Does spirulina help with hair growth?

Yes. Spirulina contains amino acids, iron, and antioxidants that may support stronger, shinier hair and promote growth, especially when used consistently.

What do doctors say about spirulina?

Registered dietitian Laura Smith, R.D., notes: “Phycocyanin is the unique antioxidant that gives blue spirulina its color and much of its anti-inflammatory power. Look for brands that provide a certificate of analysis to ensure purity.”

Are there any side effects of blue spirulina?

For most people, blue spirulina is safe . However, individuals with autoimmune conditions or PKU (phenylketonuria) should consult their doctor before using it, as it may stimulate the immune system .

Blue Spirulina Smoothie: Stunning Erewhon Copycat Recipe

Ingredients

Scale

1 cup Frozen Pineapple

1 small Frozen Banana

¾ cup Coconut Milk (carton)

¼ tbsp Coconut Yogurt (unsweetened)

1–2 tsp Blue Spirulina Powder

1–2 tsp Maple Syrup

Optional: 2 tbsp Desiccated Coconut, 1 tsp Toasted Coconut, 1 Pineapple Wedge

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Instructions

1. Swirl coconut yogurt inside a glass to create cloud effect.

2. Add coconut milk, pineapple, banana, spirulina, and syrup to blender.

3. Blend until smooth and creamy.

4. Pour into glass and garnish with optional toppings.

Notes

Use high-quality spirulina for the best blue color.

Adjust sweetener to taste.

Best served fresh.

Author: Lara
Prep Time: 5 minutes
Cook Time: 0 minutes
Category: Smoothie
Method: Blender
Cuisine: Vegan, Dairy-Free
Diet: Vegan

Nutrition

Serving Size: 1 glass
Calories: 180
Sugar: 13g
Sodium: 40mg
Fat: 7g
Saturated Fat: 4g
Unsaturated Fat: 3g
Trans Fat: 0g
Carbohydrates: 24g
Fiber: 3g
Protein: 2g
Cholesterol: 0mg