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Meta I 3 C

Metagenics
4.8
★ ★ ★ ★ ★
(318 ratings)
Rosemary
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Score78
A well-described rosemary diterpene extract paired with substantial indole-3-carbinol. Good marker naming is limited by missing percentages and a specialized companion active.
How scoring works
Quantity:60 Capsule(s) • (60 servings)
Goals:

Score 78

A well-described rosemary diterpene extract paired with substantial indole-3-carbinol. Good marker naming is limited by missing percentages and a specialized companion active.
How scoring works

Also available as

1 option
180 servings Rosemary 50 mg • 180 Capsule(s) • 180 servings $99.95 ($0.55 per serving)
$38.95($0.64 per serving)
iHerb
$ 39.95
iHerb
$ 39.95
Pure Formulas
$ 38.95
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Analysis

Rosemary leaf extract is tied to two relevant diterpenes, carnosol and carnosic acid. That specificity is a clear strength even though the exact standardization percentages are absent.

Indole-3-carbinol is supplied at a substantial amount and likely defines the product's primary use. The formula therefore serves a combined purpose rather than standalone rosemary supplementation.

A single capsule and moderate count are convenient. Users should consider whether the targeted I3C ingredient fits their hormone-related health context before choosing it for rosemary alone.

Who is it for
  • Adults seeking I3C with rosemary extract
  • Users who value named rosemary diterpenes
Best for
  • Combined indole-3-carbinol and rosemary routines
  • One-capsule targeted supplementation

Pros

  • Rosemary leaf is identified
  • Carnosol and carnosic acid are named
  • Meaningful indole-3-carbinol amount

Cons

  • Marker percentages are missing
  • Extraction method is not supplied
  • Not a focused rosemary-only product

Warnings

  • Indole-3-carbinol may affect hormone-sensitive conditions or medicines
  • Review use during pregnancy
  • Concentrated rosemary may require caution with anticoagulants

Nutrient quality

90 Highest impact

The rosemary leaf extract names carnosol and carnosic acid, with only percentages and extraction details missing. Both indole-3-carbinol and rosemary reach meaningful combination-formula amounts.

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Ingredient transparency

81 Highest impact

Active amounts are stated and no proprietary blend hides a core dose. Missing excipient details and complete use directions leave the supplied label information incomplete.

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Customer satisfaction

66 High impact

The supplied aggregate satisfaction average provides a broad signal, while the response volume determines how stable it appears. No comment-level evidence is available to assess repeated complaints or confirm intended-use experiences.

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Value for money

71 High impact

Quality, disclosure, or serving economics materially weaken value. Both listed actives have a clear role without obvious padding.

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Ingredients

IngredientAmount per serving
Indole-3-Carbinol
150 mg
Rosemary Leaf Extract (Carnosol, Carnosic Acid)
 50 mg
Gluten Free Adults 18–50 Women Vegetarian
Report overview
Rosemary (Carnosol, Carnosic Acid) · 50 mg OverallScore82
B- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyC Value

The leaf extract names key rosemary diterpenes, supporting better quality disclosure than a basic herb powder. A capsule carries a clearly separated amount that is meaningful within this focused formula. The above-median cost is partly justified by the marker-focused extract, though percentage standardization is missing.

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82 Performance

Optimized Broccoli and Cruciferous Blend

Life Extension
<p>Branded broccoli extracts, myrosinase, DIM, and marker-focused rosemary provide deeper cruciferous coverage and stronger ingredient specification than the original two-active formula. The combination is more specialized and uses a larger set of actives, which may be unnecessary for users seeking a simpler option.</p>
79 Performance

Meta I 3 C

Metagenics
<p>The same indole-3-carbinol amount and a combined carnosol-carnosic acid rosemary extract closely match the original formula. Its larger package improves practical continuity, although rosemary marker percentages and extraction details are still missing.</p>
69 Performance

GABA Brain Food

NS Natural Stacks
<p>A substantial rosemary leaf extract identified by rosmarinic acid provides a different, concentrated rosemary pathway alongside GABA and grape-seed polyphenols. It is better aligned with stress-oriented use than the original, but it omits indole-3-carbinol and has incomplete marker-strength disclosure.</p>
84 Budget

Rosemary Extract 500 mg

Swanson Superior Herbs
<p>A focused rosemary extract has much lower serving cost and names rosmarinic acid, making it economical when rosemary is the main priority. It does not include indole-3-carbinol, and the marker percentage and extraction method are not supplied.</p>
80 Budget

Triple Action Cruciferous Vegetable Extract

Life Extension
<p>Broccoli glucosinolates, indole-3-carbinol, DIM, and marker-named rosemary preserve the original formula’s cruciferous theme at lower serving cost. The blend is more complex, and missing marker percentages leave some potency uncertainty.</p>
75 Budget

St. John's Wort 300 mg

Nature's Way
<p>The serving cost is substantially lower and the main Saint John’s wort extract is standardized, which may fit a mood-specific goal better than the original cruciferous formula. Rosemary is only a supporting herb, and major medicine interactions and sun sensitivity make it unsuitable as a routine substitute for many users.</p>
78 Value

Rosemary 400 mg

Swanson Premium Brand
<p>A high amount of whole rosemary offers a simple, economical option for users who do not need indole-3-carbinol. The lack of extraction and marker standardization makes its active potency less predictable than the original named diterpenes.</p>
77 Value

Triple Action Cruciferous Vegetable Extract with Resveratrol

Life Extension
<p>Broccoli compounds, indole-3-carbinol, DIM, rosemary diterpenes, and modest resveratrol provide broad coverage at favorable serving value. The formula is less focused than the original, and missing standardization percentages keep quality confidence moderate.</p>
77 Value

Pycnogenol 50 mg

Nature's Way
<p>Natural vitamin E and maritime pine extract create a useful antioxidant core at lower serving cost, with rosemary as an added botanical. It is not a close cruciferous substitute because it lacks indole-3-carbinol and does not specify a rosemary extract or marker.</p>
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