Lewis Labs Fabulous Fiber Powder, Vanilla Coconut Flavor supplement bottle
Lewis Labs

Fabulous Fiber Powder, Vanilla Coconut Flavor

What We Researched
19 active ingredients analyzed · 25 inactive ingredients decoded · 1 retailer compared · Last updated: Mar 2026
69
Product Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin A 315 mcg 35%
Vitamin C 31.5 mcg 35%
Vitamin D 7 mcg 35%
Thiamin 0.42 mg 35%
Riboflavin 0.45 mg 35%
Niacin 5.6 mg 35%
Vitamin B6 0.596 mg 35%
Folate 60 mcg 15%
Vitamin B12 0.84 mcg 35%
Biotin 10.5 mcg 35%
Pantothenic Acid 1.75 mg 35%
Calcium 130 mg 10%
Iron 6.3 mg 35%
Phosphorus 125 mg 10%
Iodine 52.5 mcg 35%
Magnesium 63 mg 15%
Zinc 3.85 mg 35%
Copper 0.315 mg 35%
Potassium 188 mg 4%
Bioavailability Very Good

Absorption Rating

  • Vitamin A Good
  • Vitamin C Fair
  • Vitamin D Good
  • Thiamin Good
  • Riboflavin Good
  • Niacin Good
  • Vitamin B6 Fair
  • Folate Fair
  • Vitamin B12 Fair
  • Biotin Good
  • Pantothenic Acid Good
  • Calcium Good
  • Iron Fair
  • Phosphorus Good
  • Iodine Good
  • Magnesium Good
  • Zinc Fair
  • Copper Fair
  • Potassium Good
Other Ingredients Excellent

Fillers & Additives

  • Maltodextrin
  • Sweet Dairy Whey
  • Psyllium Husk
  • Apple Fiber
  • Guar Gum
  • Vitamin & Minerals Mix containing Vitamin C
  • Vitamin A Palmitate
  • Vitamin D3
  • Vitamin E Acetate
  • Thiamine HCl
  • Riboflavin
  • Niacinamide
  • Calcium D-Pantothenate
  • Pyridoxine HCl
  • Folic Acid
  • Vitamin B12
  • Biotin
  • Dicalcium Phosphate
  • Copper Gluconate
  • Ferrous Fumarate Low
  • Zinc Oxide
  • Potassium Iodide
  • Apple Pectin
  • Natural Flavors
  • Ethyl Maltol
Efficacy Very Poor

Dosage Analysis

  • Vitamin A 315 mcg Under-dosed
  • Vitamin C 31.5 mcg Under-dosed
  • Vitamin D 7 mcg Under-dosed
  • Thiamin 0.42 mg Under-dosed
  • Riboflavin 0.45 mg Under-dosed
  • Niacin 5.6 mg Under-dosed
  • Vitamin B6 0.596 mg Under-dosed
  • Folate 60 mcg Under-dosed
  • Vitamin B12 0.84 mcg Under-dosed
  • Biotin 10.5 mcg Under-dosed
  • Pantothenic Acid 1.75 mg Under-dosed
  • Calcium 130 mg Under-dosed
  • Iron 6.3 mg Under-dosed
  • Phosphorus 125 mg Under-dosed
  • Iodine 52.5 mcg Under-dosed
  • Magnesium 63 mg Under-dosed
  • Zinc 3.85 mg Under-dosed
  • Copper 0.315 mg Under-dosed
  • Potassium 188 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin A 315 mcg 35%
Vitamin C 31.5 mcg 35%
Vitamin D 7 mcg 35%
Thiamin 0.42 mg 35%
Riboflavin 0.45 mg 35%
Niacin 5.6 mg 35%
Vitamin B6 0.596 mg 35%
Folate 60 mcg 15%
Vitamin B12 0.84 mcg 35%
Biotin 10.5 mcg 35%
Pantothenic Acid 1.75 mg 35%
Calcium 130 mg 10%
Iron 6.3 mg 35%
Phosphorus 125 mg 10%
Iodine 52.5 mcg 35%
Magnesium 63 mg 15%
Zinc 3.85 mg 35%
Copper 0.315 mg 35%
Potassium 188 mg 4%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Maltodextrin Generally_safe

Helps carry and stabilize active ingredients. Provides bulk.

Sweet Dairy Whey Unknown
Psyllium Husk Generally_safe

It is used as a source of fiber or as a bulking agent.

Apple Fiber Safe

It is used to add bulk and improve the texture of supplements.

Guar Gum Safe

Thickens and provides fiber in supplement formulations.

Vitamin & Minerals Mix containing Vitamin C Unknown
Vitamin A Palmitate Generally_safe

It is added to supplements as a source of vitamin A.

Vitamin D3 Safe

It is added to supplements to provide vitamin D, which is essential for bone health and immune function.

Vitamin E Acetate Generally_safe

It is used as a source of vitamin E.

Thiamine HCl Safe

It is used as a source of vitamin B1.

Riboflavin Safe

It is used as a source of vitamin B2.

Niacinamide Safe

It is included for its potential health benefits.

Calcium D-Pantothenate Unknown
Pyridoxine HCl Generally_safe

It is used as a source of vitamin B6.

Folic Acid Safe

It is used as a source of folate.

Vitamin B12 Safe

It is included for its nutritional value.

Biotin Safe

It is used for its potential benefits related to hair, skin, and nail health.

Dicalcium Phosphate Safe

Serves as both a filler and a supplemental source of calcium and phosphorus.

Copper Gluconate Generally_safe

It is used to provide copper as a dietary supplement.

Ferrous Fumarate Caution

It is used to supplement iron intake.

Zinc Oxide Generally_safe

It is used as a source of zinc.

Potassium Iodide Generally_safe

It provides iodine, an essential mineral.

Apple Pectin Safe

It is used as a thickening agent or gelling agent.

Natural Flavors Safe

Improves taste of chewable, gummy, or liquid supplements.

Ethyl Maltol Unknown

Price Comparison

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

Brand Trust Report
Lewis Labs

Founded 1973 · Southfields, NY, USA · 3 products · lewislabs.com/

Transparency

1 claim
Third Party Testing Claim — Claimed Source
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Frequently Asked Questions
Is Lewis Labs Fabulous Fiber Powder, Vanilla Coconut Flavor a good supplement?

Lewis Labs Fabulous Fiber Powder, Vanilla Coconut Flavor received a product quality score of 69/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 19 active ingredients with 22 servings per container. Of the 25 inactive ingredients, 12 are rated safe and 1 are flagged for review.

What are the ingredients in Lewis Labs Fabulous Fiber Powder, Vanilla Coconut Flavor?

Lewis Labs Fabulous Fiber Powder, Vanilla Coconut Flavor contains 19 active ingredients: Vitamin A (315 mcg), Vitamin C (31.5 mcg), Vitamin D (7 mcg), Thiamin (0.42 mg), Riboflavin (0.45 mg), Niacin (5.6 mg), and 13 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Lewis Labs Fabulous Fiber Powder, Vanilla Coconut Flavor safe to take?

Lewis Labs Fabulous Fiber Powder, Vanilla Coconut Flavor has been analyzed for ingredient safety across all its components. Of 25 inactive ingredients, 12 are rated safe. 1 ingredient is flagged for review: Ferrous Fumarate. 'Caution' doesn't mean dangerous — it indicates the ingredient has some considerations worth being aware of, such as potential sensitivities or ongoing research. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

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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.