100% Pure Spirulina Flakes 100g airtight and lightproof bag for optimal preservation. "Daily use: - One 100g sachet is sufficient for 1 month, at a rate of one 3g teaspoon per day." “Sports Use: - One 100g sachet can last 10 to 20 days, at a dose of 5 to 10g per day." French and organic spirulina