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Mushroom Immune Defense

Source Naturals
4.7
★ ★ ★ ★ ★
(988 ratings)
Maitake Mushroom 200 mg
Coriolus mushroom 150 mg
Reishi mushroom 250 mg
Shiitake Mushroom 200 mg
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Score58
A broad immune mushroom formula weakened by a large proprietary blend and almost no extract-quality detail.
How scoring works
Quantity:60 Tablet(s) • (30 servings)
Goals:

Score 58

A broad immune mushroom formula weakened by a large proprietary blend and almost no extract-quality detail.
How scoring works
$20.47($0.68 per serving)
iHerb
$ 20.47
Vitacost
$ 20.47
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Analysis

Reishi, shiitake, maitake, and turkey tail provide broad mushroom coverage alongside vitamin C. Their named amounts are useful, but none is identified as fruiting body, extract, or standardized beta-glucan material.

A proprietary blend is larger than the individually named ingredients and conceals its composition and doses. That opacity prevents a clear assessment of what actually drives the product.

Two tablets per serving and a moderate cost are acceptable only if a buyer is comfortable with the undisclosed blend. A simpler mushroom formula with beta-glucan data would offer more dependable quality control.

Who is it for
  • Adults comfortable with proprietary mushroom blends
  • Users seeking broad rather than precisely dosed mushroom coverage
Best for
  • General immune-oriented mushroom use
  • People who accept limited label transparency

Pros

  • Names four mushroom types
  • Includes vitamin C
  • Discloses several individual mushroom weights

Cons

  • Large proprietary blend hides key details
  • No fruiting-body claims
  • No extraction methods
  • No beta-glucan standardization

Warnings

  • Avoid the formula if any included mushroom has caused an allergic reaction.
  • Multiple mushroom extracts may not fit an immunosuppressant or transplant-medicine plan without specific clinical guidance.
  • Reishi may add to anticoagulant or antiplatelet effects and increase bruising or bleeding risk.

Nutrient quality

67 High impact

The mushrooms lack fruiting-body, extraction, and active-marker details; named mushroom amounts are moderate, but the large hidden blend cannot be evaluated. No disclosed amount is clearly excessive; the named mushrooms fit immune support well; the hidden blend may contain useful ingredients, but its composition cannot be judged.

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Ingredient transparency

37 Lower impact

Most listed actives have specific amounts; no hidden blend obscures key doses except where noted. Named mushrooms are understandable, while the large proprietary blend is unspecified; serving directions and inactive ingredients are not supplied.

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Customer satisfaction

72 High impact

The supplied aggregate average is favorable, though no individual feedback is available; the large rating sample improves confidence in the aggregate average, but no individual feedback is supplied. Detailed feedback is absent, so repeated complaints cannot be assessed; real-world fit with the intended purpose remains uncertain.

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Value for money

63 Moderate impact

Moderate named doses offer some value, but the hidden blend weakens confidence; the serving cost is only fair given the limited quality detail. An undisclosed blend may inflate the formula without verifiable benefit; more transparent mushroom blends offer stronger category value.

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Ingredients

IngredientAmount per serving
Calories
10 Calorie(s)
Total Carbohydrates
2 Gram(s)
Vitamin C (Ascorbic Acid)
100 mg
Reishi
250 mg
Shiitake
200 mg
Maitake
200 mg
Turkey Tail
150 mg
Proprietary Blend
1.25 Gram(s)
Adults 18–50 Dairy Free Sugar Free Vegetarian
Report overview
Maitake Mushroom · 200 mg OverallScore42
F Active Ingredient Quality & BioavailabilityB Dose, Safety & Label TransparencyD+ Value

The clearly disclosed Maitake amount sits near the collection median but below the extract-focused high-potency range. The label does not identify fruiting body, an extraction method, or active beta-glucan markers, which limits confidence in bioavailability. Its below-median cost is reasonable for an unspecified, unextracted source.

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