1 Product identity
Ingredient risk
3 ingredients to use with caution
100% Natural Hawaiian Spirulina Powder
BrandNOW→Non-Nutrient/Non-Botanical Powder 16 ingredients 3 caution DSLD #13845Net contents: 1 lb
Target: Adults and Children 4 years and above
DSLD entry: 2012-10-01
2 Ingredients (16)
IngredientGroupSafety
CaloriesCalories—
Total CarbohydratesCarbohydrate—
ProteinProtein (unspecified)—
Each serving may typically provide the following naturally occurring nutrientsHeader—
Gamma-Linolenic AcidGamma Linolenic Acid—
ChlorophyllChlorophyll—
NoneNone—
Ingredient amounts require the full DSLD label. View full label at NIH DSLD →
⚠️ Use with caution — restricted in some markets
Thiamin — Wernicke encephalopathy: classic triad (confusion, ophthalmoplegia, ataxia) is present in only 16% of cases — any ONE element in an at-risk patie…
Vitamin B12 — Nitrous oxide anesthesia in subclinically B12-deficient patients can precipitate acute combined degeneration — always check B12 before elective p…
Iron — Iron supplementation in iron-replete patients may increase cardiovascular and cancer risk — always document deficiency before prescribing [1].
3 Safety cross-reference
Sodium — Conditionally Safe
⚠ Hypertension
⚠ Fluid retention
Spirulina — Limited Evidence
⚠ Contamination risk: microcystins, heavy metals
⚠ Autoimmune stimulation
Vitamin A — Conditionally Safe
⚠ Teratogenic at high doses
⚠ Hepatotoxic with chronic excess
Thiamin — Use with Caution
⚠ Very low toxicity
Riboflavin — Generally Safe
⚠ Harmless yellow urine
Vitamin B12 — Use with Caution
Calcium — Conditionally Safe
⚠ Cardiovascular risk debated >1,000 mg/day
⚠ Kidney stones
Iron — Use with Caution
⚠ GI upset, constipation
⚠ Fatal toxicity in children
4 Label claims
• Nutrient
5 Data source
DSLD ID13845
Full labelView at NIH DSLD →
SourceOffice of Dietary Supplements, NIH
Market statusOn market
Entry date2012-10-01
6 More from NOW
View NOW Safety Scorecard → 1,261 products
"Green" Black Walnut Wormwood Complex4x6 Acidophilus4x6 Acidophilus4x6 Acidophilus Powder5-HTP 100 mg5-HTP 100 mg7 Cite this page
Vancouver
Pkhakadze G. 100% Natural Hawaiian Spirulina Powder — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Jun 15]. Available from: https://supplement.ge/products/100-natural-hawaiian-spirulina-powder-13845/
CC BY 4.0. Product data from NIH DSLD; safety analysis by SupplementIndex.
GP
Analyzed by SupplementIndex
PHIG · Editor-in-Chief: Prof. Giorgi Pkhakadze, MD, MPH, PhD
Product data sourced from the NIH Dietary Supplement Label Database (DSLD). Safety cross-referencing by SupplementIndex. This analysis is for informational purposes only. For corrections: info@accreditation.ge.
Publisher: PHIG
Publisher: PHIG