Spirulina Powder by PureBulk.com — Ingredients, Evidence & Safety

🟢 100/100

This product looks safe

No ingredients exceed tolerable upper intake levels
18% of ingredients have research evidence

B Label Compliance Grade

Product Label

📄 Open Full PDF View on NIH DSLD →

📸

Have a supplement label? Find it here.

Upload a photo of any supplement label to search our database of 92,312 products.

Label Data

7000 mg Serving Size

35 Servings

Other Combinations Product Type

18% Evidence Coverage

Supplement Facts — Evidence Check

Calories

30 {Calories}

Total Fat

1 g (1% DV)

Carbohydrates

1.4 g (1% DV)

Protein

4.8 g (10% DV)

Vitamin A

23917 IU (478% DV)

Thiamine

0.21 mg (14% DV)

✅ Within RDA (0.2× RDA of 1.2 mg) 📚 76 studies (Tier A: 0, B: 33)

RDA 1.2mg This product: 0.21mg

Riboflavin

0.32 mg (19% DV)

✅ Within RDA (0.2× RDA of 1.3 mg) 📚 12 studies (Tier A: 0, B: 1)

RDA 1.3mg This product: 0.32mg

Calcium

7 mg (1% DV)

Iron

6.3 mg (35% DV)

Sodium

67 mg (3% DV)

Spirulina

7 g

📊 Market median: 200.0mg (107 products)

Median 200.0mg This product: 7000mg

Other Ingredients

None

Label Claims — Verification

❓ All Other

❓ Structure/Function

All Other (98% of products) Structure/Function (82% of products) Nutrient (38% of products)

Target Groups

Adult (18 - 50 Years) Gluten Free Dairy Free Sugar Free

Product Information

📋 Directions for Use

Directions: As a dietary supplement, take 7 grams (1 Tbsp) daily, or as directed by physician.

⚠️ Warnings & Precautions

WARNING: Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6. Keep this product out of reach of children. In case of accidental overdose, call a doctor or poison control center immediately.

Warning: This product is not intended for use by those with a serious medical condition or pregnant or lactating women.

Consult your physician before use.

Keep out of reach of children.

🧪 Formulation Notes

Free of: sugar, soy, dairy, yeast, gluten, corn and additives.

Additional Information

Derived from Spirulina platensis G (aka Arthrospira platensis)

Storage: Keep dry, cool & dark

US Standard Measuring Spoons Spoon Size (level) milligrams 1 teaspoon 2262 1/2 tablespoon 3394 1 tablespoon 6788

Product Details

DSLD Entry Date 2013-10-25

Product Type Other Combinations

Form Powder

Brand PureBulk.com

DSLD ID 23284

Data Updated 2026-04-11

Research Evidence

10 Research Sources

51 Avg Quality Score

3 Meta Analysis

3 Rct

2 Systematic Review

2 Clinical Trial

B The effect of Spirulina supplementation on lipid profile: GRADE-assessed systematic review and dose-response meta-analysis of data from randomized controlled trials

Meta Analysis Pharmacological research 2023

PubMed DOI

B A systematic review and meta-analysis of the impact of Spirulina supplementation on plasma lipid concentrations

Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2016

PubMed DOI

B Potential benefits of microalgae intake against metabolic diseases: beyond spirulina-a systematic review of animal studies

Systematic Review Nutrition reviews 2024

PubMed DOI

C The effects of Spirulina supplementation on metabolic syndrome components, its liver manifestation and related inflammatory markers: A systematic review

Systematic Review Complementary therapies in medicine 2019

PubMed DOI

C The effects of spirulina on glycemic control and serum lipoproteins in patients with metabolic syndrome and related disorders: A systematic review and meta-analysis of randomized controlled trials

Meta Analysis Phytotherapy research : PTR 2019

PubMed DOI

C The effects of spirulina intake on clinical and metabolic parameters in Alzheimer's disease: A randomized, double-blind, controlled trial

Rct Phytotherapy research : PTR 2023

PubMed DOI

C Antioxidant Efficacy of a Spirulina Liquid Extract on Oxidative Stress Status and Metabolic Disturbances in Subjects with Metabolic Syndrome.

Rct Marine drugs

PubMed DOI

C Combined high-intensity interval training and spirulina supplementation synergistically improve inflammatory and lipid-associated biomarkers in men with obesity.

Rct Nutrition research (New York, N.Y.)

PubMed DOI

C The Effects of Spirulina Platensis on Insulin Resistance in HIV-infected Patients

Clinical Trial ClinicalTrials.gov 2008

ClinicalTrials.gov

C Carbon-13 (13C)-Spirulina Platensis Gastric Emptying Breath Test (GEBT)

Clinical Trial ClinicalTrials.gov 2010

ClinicalTrials.gov

View all evidence for Spirulina →