Nature's Secret 15-Day Weight Loss Support, Cleanse & Flush®, 60 Tablets supplement bottle
Nature's Secret

15-Day Weight Loss Support, Cleanse & Flush®, 60 Tablets

What We Researched
22 active ingredients analyzed · 8 inactive ingredients decoded · 2 retailers compared · Last updated: Mar 2026
65
Product Score Fair
71
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Total Carbohydrates 2 g <1%**
Calcium (as Calcium Carbonate) 100 mg 8%
Iron 0.4 mg 2%
Psyllium powder (seed husk) 200 mg
Uva-Ursi extract (4:1) (leaf) 200 mg
Cascara Sagrada powder (bark) 110 mg
Proprietary BlendFennel powder (seed), Fructooligosaccharides (FOS), Marshmallow extract (4:1) (root), Cayenne powder (fruit), Bioperine® Black Pepper extract (95% piperine) (fruit) 102 mg
Juniper powder (fruit) 100 mg
Plum (Prune) powder (fruit) 90 mg
Beet powder (root) 80 mg
Grapefruit powder (fruit) 80 mg
Oat powder (bran) 80 mg
Chickweed powder (leaf) 50 mg
Chlorella powder (whole plant) 50 mg
Dandelion (Taraxacum officinale) powder (root) 50 mg
Echinacea angustifolia powder (root) 40 mg
Ginger extract (4:1) (root) 40 mg
Chamomile extract (4:1) (flower) 25 mg
Fenugreek extract (4:1) (seed) 25 mg
Bioavailability Fair

Absorption Rating

  • Total Carbohydrates Fair
  • Calcium (as Calcium Carbonate) Fair
  • Iron Fair
  • Psyllium powder (seed husk) Good
  • Uva-Ursi extract (4:1) (leaf) Fair
  • Cascara Sagrada powder (bark) Fair
  • Proprietary BlendFennel powder (seed), Fructooligosaccharides (FOS), Marshmallow extract (4:1) (root), Cayenne powder (fruit), Bioperine® Black Pepper extract (95% piperine) (fruit) Fair
  • Juniper powder (fruit) Fair
  • Plum (Prune) powder (fruit) Good
  • Beet powder (root) Fair
  • Grapefruit powder (fruit) Fair
  • Oat powder (bran) Fair
  • Chickweed powder (leaf) Poor
  • Chlorella powder (whole plant) Fair
  • Dandelion (Taraxacum officinale) powder (root) Fair
  • Echinacea angustifolia powder (root) Fair
  • Ginger extract (4:1) (root) Good
  • Chamomile extract (4:1) (flower) Good
  • Fenugreek extract (4:1) (seed) Fair
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Croscarmellose Sodium
  • Vegetable Stearic Acid
  • Gum Arabic
  • Silicon Dioxide
  • Vegetable Magnesium Stearate
  • Maltodextrin
  • Glycerin and methylcellulose
Efficacy Very Poor

Dosage Analysis

  • Calcium (as Calcium Carbonate) 100 mg Under-dosed
  • Iron 0.4 mg Under-dosed
  • Psyllium powder (seed husk) 200 mg Under-dosed
  • Uva-Ursi extract (4:1) (leaf) 200 mg Under-dosed
  • Cascara Sagrada powder (bark) 110 mg Under-dosed
  • Juniper powder (fruit) 100 mg Under-dosed
  • Beet powder (root) 80 mg Under-dosed
  • Oat powder (bran) 80 mg High
  • Chickweed powder (leaf) 50 mg Under-dosed
  • Chlorella powder (whole plant) 50 mg Under-dosed
  • Dandelion (Taraxacum officinale) powder (root) 50 mg Under-dosed
  • Echinacea angustifolia powder (root) 40 mg Under-dosed
  • Ginger extract (4:1) (root) 40 mg Under-dosed
  • Chamomile extract (4:1) (flower) 25 mg Under-dosed
  • Fenugreek extract (4:1) (seed) 25 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 10
Total Carbohydrates 2 g <1%**
Dietary Fiber 1 g 2%**
Calcium (as Calcium Carbonate) 100 mg 8%
Iron 0.4 mg 2%
Sodium 10 mg <1%
Psyllium powder (seed husk) 200 mg
Uva-Ursi extract (4:1) (leaf) 200 mg
Cascara Sagrada powder (bark) 110 mg
Proprietary BlendFennel powder (seed), Fructooligosaccharides (FOS), Marshmallow extract (4:1) (root), Cayenne powder (fruit), Bioperine® Black Pepper extract (95% piperine) (fruit) 102 mg
Juniper powder (fruit) 100 mg
Plum (Prune) powder (fruit) 90 mg
Beet powder (root) 80 mg
Grapefruit powder (fruit) 80 mg
Oat powder (bran) 80 mg
Chickweed powder (leaf) 50 mg
Chlorella powder (whole plant) 50 mg
Dandelion (Taraxacum officinale) powder (root) 50 mg
Echinacea angustifolia powder (root) 40 mg
Ginger extract (4:1) (root) 40 mg
Chamomile extract (4:1) (flower) 25 mg
Fenugreek extract (4:1) (seed) 25 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Vegetable Stearic Acid Generally_safe

It is used to prevent ingredients from sticking to manufacturing equipment.

Gum Arabic Safe

It is used as a thickener, binder, or emulsifier.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Vegetable Magnesium Stearate Safe

Prevents ingredients from sticking to equipment. Derived from vegetable sources.

Maltodextrin Generally_safe

Helps carry and stabilize active ingredients. Provides bulk.

Glycerin and methylcellulose Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$18$17$16$15$14 Mar 12 $16.00
iHerb

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Nature's Secret

Founded 1994 · Culver City, CA, USA · 13 products · irwinnaturals.com/collections/natures-secret

Transparency

3 claims
Third Party Testing Claim — Verified Source
Coa Availability — Verified Source

Violation History

4 incidents
Lawsuit Deceptive marketing of products as 'natural' when they contain synthetic ingredients.2021Source
Fda Warning Unregistered food supplement2020-01-28Source
Lawsuit Misleading claims about the brain function benefits of 'Ginkgo Smart'.2020Source
Prop 65 Lead2011-02-01Source
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Frequently Asked Questions
Is Nature's Secret 15-Day Weight Loss Support, Cleanse & Flush® a good supplement?

Nature's Secret 15-Day Weight Loss Support, Cleanse & Flush®, 60 Tablets received a product quality score of 65/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 22 active ingredients with 30 servings per container. Of the 8 inactive ingredients, 5 are rated safe and 0 are flagged for review. The manufacturer, Nature's Secret, holds a brand trust score of 71/100.

What are the ingredients in Nature's Secret 15-Day Weight Loss Support, Cleanse & Flush®?

Nature's Secret 15-Day Weight Loss Support, Cleanse & Flush® contains 22 active ingredients: Calories (10), Total Carbohydrates (2 g), Dietary Fiber (1 g), Calcium (as Calcium Carbonate) (100 mg), Iron (0.4 mg), Sodium (10 mg), and 16 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Nature's Secret 15-Day Weight Loss Support, Cleanse & Flush® safe to take?

Nature's Secret 15-Day Weight Loss Support, Cleanse & Flush®, 60 Tablets has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Nature's Secret a trustworthy supplement brand?

Nature's Secret receives a brand trust score of 71/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1994 and headquartered in Culver City, CA, USA, the company offers 13 products in their lineup. Note: Nature's Secret has 4 historical regulatory incidents on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.