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Pure Hawaiian Spirulina

Nutrex Hawaii
4.7
★ ★ ★ ★ ★
(5342 ratings)
Iron 3 mg
Protein (unspecified) 2 Gram(s)
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Score81
Bulk powder and 151 servings make this an economical spirulina option. Its 2 g protein and 3 mg iron amounts are still minor.
How scoring works
Quantity:16 Ounce(s) • (151 servings)
Goals:

Score 81

Bulk powder and 151 servings make this an economical spirulina option. Its 2 g protein and 3 mg iron amounts are still minor.
How scoring works

Also available as

1 option
5 servings Protein 2 Gram(s), Iron 3 mg • 5 Ounce(s) • 47 servings $15.54 ($0.33 per serving)
$40.19($0.26 per serving)
iHerb
$ 40.19
Vitacost
$ 45.49
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Analysis

A serving provides 3 g of spirulina, 2 g of protein, and 3 mg of iron. The loose powder avoids a high tablet burden and allows straightforward mixing.

Iron remains far below the range expected from a dedicated supplement, and its chemical form is not given. The protein amount is also too small to make this a primary protein source.

The 151-serving package offers the strongest recurring value among the supplied spirulina sizes. It is best for established spirulina users who want a bulk powder rather than nutrient-focused dosing.

Who is it for
  • Frequent spirulina users
  • People who prefer powder over tablets
Best for
  • Bulk spirulina supplementation
  • Flexible mixing into drinks or food

Pros

  • Provides 151 servings
  • Avoids a multi-tablet serving
  • Low recurring serving cost

Cons

  • Only 2 g of protein
  • Iron amount is low
  • Iron form is not named

Nutrient quality

84 Highest impact

A whole-spirulina serving provides modest protein and iron in a focused formula. The amount is useful for general food-based supplementation but too small for targeted protein or iron support.

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Ingredient transparency

79 High impact

The whole-food ingredient and nutrition amounts are clearly stated. Species or processing details, complete directions, non-active ingredients, and several nutrient forms are not fully supplied.

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Customer satisfaction

73 High impact

The aggregate rating is strong and supported by a very large feedback volume. Specific experience details are missing, so recurring problems and purpose fit remain uncertain.

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Value for money

90 Highest impact

Focused spirulina quality and a large supply provide good value. Serving value is strong for regular use.

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Ingredients

IngredientAmount per serving
Calories
10 Calorie(s)
Total Carbohydrates
1 Gram(s)
Protein
2 Gram(s)
Iron
3 mg
Sodium
60 mg
Spirulina
3 Gram(s)
Gluten Free Adults 18–50 Vegan Kosher Halal Vegetarian
Report overview
Iron · 3 mg OverallScore58
F Active Ingredient Quality & BioavailabilityB Dose, Safety & Label TransparencyB+ Value

The iron amount is listed, but its chemical form is not disclosed. The 3 mg serving is low for targeted supplementation, while no qualifying vitamin C, vitamin B12, or folate support is listed. Good serving value does not overcome the low dose and missing chemical-form detail.

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81 Performance

Pea Protein Unflavored

NOW Sports
<p>Pea protein provides substantially more protein and iron than the modest amounts supplied by whole algae. The concentrated protein format is more practical for protein intake, but it does not reproduce the broader nutrients or whole-food character of chlorella or spirulina.</p>
85 Performance

NITRO TECH 100% Whey Gold Strawberry

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<p>Whey protein supplies substantially more protein than the original whole-food serving, making it more useful for meeting a protein target. Iron is only incidental and the dairy-based formula does not reproduce chlorella or spirulina's broader whole-food profile.</p>
89 Performance

Chelated Iron 27 mg

Carlson
<p>A single, clearly identified iron bisglycinate ingredient offers focused iron supplementation. It offers stronger, more clearly defined iron support for the cost. It supplies no whole algae or protein, and the higher iron amount is appropriate only when supplemental iron is actually needed.</p>
89 Budget

Iron 18 mg

NOW
<p>Ferrochel iron bisglycinate provides a clearly named, concentrated iron form at a very low serving cost. It costs less per serving and is easier to evaluate for iron support. It supplies no whole algae or protein, and the higher iron amount is appropriate only when supplemental iron is actually needed.</p>
86 Budget

Albion Chelated Ferrochel Iron 18 mg

Swanson Ultra
<p>TRAACS Ferrochel supplies a clearly identified chelated iron form at a low serving cost. It costs less per serving and is easier to evaluate for iron support. It supplies no whole algae or protein, and the higher iron amount is appropriate only when supplemental iron is actually needed.</p>
87 Budget

Vegan True Iron Support

Source Naturals
<p>Iron bisglycinate is paired with vitamin C, folate, and vitamin B12 at a low serving cost. It costs less per serving and is easier to evaluate for iron support. It supplies no whole algae or protein, and the higher iron amount is appropriate only when supplemental iron is actually needed.</p>
79 Value

Organic Pea Protein

NOW Sports
<p>Pea protein delivers a meaningful protein amount together with clearly measured iron at a favorable serving cost. The concentrated protein format is more practical for protein intake, but it does not reproduce the broader nutrients or whole-food character of chlorella or spirulina.</p>
86 Value

Collagen Peptides No Added Flavor

ZHOU
<p>Bovine collagen peptides provide much more protein than the original whole-food serving at a favorable serving cost. Collagen is not a complete protein and provides no disclosed iron, so it fits structural protein use rather than replacing chlorella or spirulina.</p>
86 Value

High Absorption Iron with Ferrochel 27 mg

Doctor's Best
<p>Ferrochel provides a clearly identified, concentrated iron form at a low serving cost. It offers stronger, more clearly defined iron support for the cost. It supplies no whole algae or protein, and the higher iron amount is appropriate only when supplemental iron is actually needed.</p>
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