Spirulina 500 mg Tablets by Health Ranger Select — Ingredients, Evidence & Safety

🟢 100/100

This product looks safe

No ingredients exceed tolerable upper intake levels
38% of ingredients have research evidence

A Label Compliance Grade

Product Label

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Label Data

6 Tablet(s) Serving Size

604 Servings

Other Combinations Product Type

38% Evidence Coverage

Supplement Facts — Evidence Check

Spirulina platensis

3 Gram(s)

📊 Market median: 200.0mg (107 products)

Median 200.0mg This product: 3mg

Calories

11 Calorie(s)

Protein

2.1 Gram(s) (4% DV)

Vitamin A

7000 mcg (778% DV)

Vitamin K

30 mcg (25% DV)

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

RDA 0.12mg This product: 0.03mg

Thiamine

0.02 mg (2% DV)

📊 Market median: 30.0mg (1051 products) 📚 76 studies (Tier A: 0, B: 33)

RDA 1.2mg This product: 0.02mg

Riboflavin

0.1 NP (8% DV)

✅ Within RDA (0.1× RDA of 1.3 mg) 📚 12 studies (Tier A: 0, B: 1)

RDA 1.3mg This product: 0.1mg

Niacin

0.5 mg (3% DV)

📊 Market median: 30.0mg (1153 products) 📚 193 studies (Tier A: 5, B: 63)

RDA 14mg This product: 0.5mg UL 35mg

Vitamin B6

0.02 mg (1% DV)

📊 Market median: 10.0mg (1576 products) 📚 113 studies (Tier A: 3, B: 35)

RDA 1.3mg This product: 0.02mg UL 100mg

Vitamin B12

5 mcg (208% DV)

✅ 2.1× RDA — within safe limits 📚 138 studies (Tier A: 1, B: 44)

RDA 0.0024mg This product: 0.005mg

Iron

2 mg (11% DV)

Phosphorus

29 mg (2% DV)

📊 Market median: 99.0mg (503 products) 📚 12 studies (Tier A: 0, B: 3)

RDA 700mg This product: 29mg UL 4000mg

Iodine

3 mcg (2% DV)

📊 Market median: 0.27mg (318 products) 📚 243 studies (Tier A: 4, B: 133)

RDA 0.15mg This product: 0.003mg UL 1.1mg

Magnesium

10 mg (2% DV)

📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)

This product: 10mg

Manganese

0.1 mg (4% DV)

📊 Market median: 10.0mg (102 products) 📚 8 studies — no high-quality reviews

RDA 2.3mg This product: 0.1mg UL 11mg

Chromium

80 mcg (229% DV)

✅ 2.3× RDA — within safe limits 📚 197 studies (Tier A: 1, B: 55)

RDA 0.035mg This product: 0.08mg

Sodium

19 mg (1% DV)

Potassium

45 mg (1% DV)

Calcium

11 mg (1% DV)

Total Fat

0.2 Gram(s)

Total Carbohydrates

0.4 Gram(s)

Dietary Fiber

0.1 Gram(s)

C-Phycocyanin

600 mg

Chlorophyll

35 mg

Gamma Linolenic Acid

46 mg

Zeaxanthin

4 mg

📊 Market median: 4.0mg (32 products)

This product: 4mg

Other Ingredients

Spirulina Vegetable Stearate Silica

Label Claims — Verification

❓ Nutrient

❓ All Other

❓ Structure/Function

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

Target Groups

Vegan Vegetarian Adult (18 - 50 Years) Kosher Women (not pregnant or lactating)

Product Information

📋 Directions for Use

Suggested Usage: Take 6 tablets with a meal, or as recommended by your health consultant.

⚠️ Warnings & Precautions

Caution: not recommended for children or pregnant or nursing women.

Manufactured in a facility which may contain nuts (peanuts, tree nuts).

🧪 Formulation Notes

Loading up on the world's most nutritionally complete super food just got easier. Health Ranger Select Spirulina tablets provide a zero-hassle method of boosting your spirulina intake.

Each tablet is packed with the nutrients that make spirulina so powerful, including - but not limited - to iron, protein, amino acids, and natural vitamins.

Lab-verified, non-GMO, free from radiation, kosher, vegan and grown in the USA. Experience all the goodness of spirulina in a compact, easy-to-take form.

Lab-verified, non-GMO, free from radiation, kosher, vegan and grown in the USA.

Vegan

Radiation free

Lab-verified, non-GMO, free from radiation, kosher, vegan and grown in the USA. Experience all the goodness of spirulina in a compact, easy-to-take form.

Additional Information

Storage instructions: Store in a cool, dry place away from direct sunlight after opening.

Personally selected & recommended by Mike Adams, The Health Ranger

Glyphosate Tested Natural Food Certifiers (Kosher) GMO Guard Natural Food Certifiers Laboratory Verified

Typical Analysis: (Each serving may typically provide the following naturally occurring nutrients) Calories 11 Protein 2.1 g 4% Vitamin A (as beta-carotene) 7000 mcg 778% Vitamin K 30 mcg 25% Thiamin 0.02 mg 2% Riboflavin (Vit B-2) 0.1 mg 8% Niacin (Vit B-3) 0.5 mg 3% Vitamin B6 0.02 mg 1% Vitamin B12 5 mcg 288% Iron 2 mg 11% Phosphorous 29 mg 2% Iodine 3 mcg 2% Magnesium 10 mg 2% Manganese 0.1 mg 4% Chromium 80 mcg 229% Sodium 19 mg 1% Potassium 45 mg 1% Calcium 11 mg 1% Total Fat 0.2 g 0% Total Carbohydrates 0.4 g 0% Dietary fiber 0.1 g 0% C-Phycocyanin 600 mg Chlorophyll 35 mg Gamma Linolenic Acid (GLA) 46 mg Zeaxanthin 4 mg Typical analysis due to seasonal variations.

Learn more online at: HealthRangerStore.com

307-222-0422

Product Details

UPC / SKU 0 50742 58341 5

DSLD Entry Date 2023-06-22

Product Type Other Combinations

Form Tablet or Pill

Brand Health Ranger Select

DSLD ID 292791

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 →