Spirulina by ZHOU — Ingredients, Evidence & Safety

🟢 100/100

This product looks safe

No ingredients exceed tolerable upper intake levels
7% of ingredients have research evidence

B Label Compliance Grade

Product Label

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Label Data

3.5 Gram(s) Serving Size

48 Servings

Other Combinations Product Type

7% Evidence Coverage

Supplement Facts — Evidence Check

Calories

15 Calorie(s)

Total Carbohydrates

1 Gram(s)

Protein

2 Gram(s) (4% DV)

Vitamin A

8750 IU (175% DV)

Vitamin K

30 mcg (40% DV)

✅ Within RDA (0.2× RDA of 0.12 mg) 📚 273 studies (Tier A: 9, B: 175)

RDA 0.12mg This product: 0.03mg

Calcium

6 mg (1% DV)

Iron

2 mg (11% DV)

Sodium

25 mg (1% DV)

Potassium

55 mg (2% DV)

Phycocyanin

350 mg

Gamma-Linolenic Acid

46 mg

Chlorophyll

31 mg

Total Carotenoids

13 mg

Zeaxanthin

3 mg

📊 Market median: 4.0mg (32 products)

This product: 3mg

Other Ingredients

100% Spirulina

Label Claims — Verification

❓ All Other

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

Target Groups

Adult (18 - 50 Years) Dairy Free

Product Information

📋 Directions for Use

Suggested Use: Take 1 scoop (3.5g) daily with or between meals. Enjoy mixing into juices, smoothies, or other favorite recipes.

⚠️ Warnings & Precautions

Caution: Do not exceed recommended dose.

Pregnant or nursing mothers, children under 18 and individuals with a known medical condition should consult a physician before using this or any dietary supplement.

Keep out of reach of children.

Do not use if safety seal is damaged or missing.

🧪 Formulation Notes

Zero pesticides, herbicides, soy, milk, eggs, fish, shellfish, tree nuts, peanuts, wheat

Made with Non-GMO ingredients

Additional Information

Ancient with modern

Promotes energy and vitality

Good Manufacturing Practice GMP Sourced from a certified facility

Pesticides & herbicides free

Made with Non-GMO ingredients

Long live you

Sustainably grown in California Powerful antioxidant to support your immune system

Store in a cool, dry place.

California grown

Longevity superfood

Product Details

UPC / SKU X00103J2I3

DSLD Entry Date 2017-03-24

Product Type Other Combinations

Form Powder

Brand ZHOU

DSLD ID 71367

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 →