Naturally Vitamins Marlyn®, Hep-Forte®, 500 Soft Gelatin Capsules supplement bottle
Naturally Vitamins

Marlyn®, Hep-Forte®, 500 Soft Gelatin Capsules

What We Researched
23 active ingredients analyzed · 11 inactive ingredients decoded · 2 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
58
Product Score Poor
68
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin A (as retinyl palmitate) 1080 mcg 120%
Vitamin C 30 mg 33%
Vitamin E (as d-alpha tocopherol) 20.1 mg 134%
Thiamin (as thiamine mononitrate) 3 mg 250%
Riboflavin 3 mg 231%
Niacin (as niacinamide) 30 mg 188%
Vitamin B6 (as pyridoxine hydrochloride) 1.5 mg 88%
Folate (180 mcg folic acid) 300 mcg DFE 75%
Vitamin B12 (as cyanocobalamin) 3 mcg 125%
Biotin 10 mcg 33%
Pantothenic Acid (as calcium pantothenate) 6 mg 120%
Choline (as choline bitartrate) 25.9 mg 5%
Zinc (as zinc sulfate) 6 mg 55%
Liver Powder, desiccated (bovine) 583.2 mg
Liver Concentrate Powder (bovine) 194.4 mg
Liver Protein Fraction II (bovine) 194.4 mg
Brewer's Yeast 194.4 mg
DL-Methionine 30 mg
Inositol 30 mg
Bioavailability Good

Absorption Rating

  • Vitamin A (as retinyl palmitate) Good
  • Vitamin C Fair
  • Vitamin E (as d-alpha tocopherol) Good
  • Thiamin (as thiamine mononitrate) Fair
  • Riboflavin Good
  • Niacin (as niacinamide) Good
  • Vitamin B6 (as pyridoxine hydrochloride) Fair
  • Folate (180 mcg folic acid) Fair
  • Vitamin B12 (as cyanocobalamin) Fair
  • Biotin Good
  • Pantothenic Acid (as calcium pantothenate) Good
  • Choline (as choline bitartrate) Poor
  • Zinc (as zinc sulfate) Fair
  • Liver Powder, desiccated (bovine) Fair
  • Liver Concentrate Powder (bovine) Fair
  • Brewer's Yeast Fair
  • DL-Methionine Good
  • Inositol Good
Other Ingredients Poor

Fillers & Additives

  • Vegetable oil (contains soybean oil and one or more of the following: rapeseed oil, sunflower oil, or corn oil)
  • Gelatin
  • Glycerin
  • Soy Lecithin
  • Water
  • Beeswax
  • FD&C Red #40 Medium
  • Titanium Dioxide High
  • Silicon Dioxide
  • Calcium Phosphate
  • FD&C Blue #1 Medium
Efficacy Fair

Dosage Analysis

  • Vitamin A (as retinyl palmitate) 1080 mcg Effective
  • Vitamin C 30 mg Under-dosed
  • Vitamin E (as d-alpha tocopherol) 20.1 mg Effective
  • Thiamin (as thiamine mononitrate) 3 mg Effective
  • Riboflavin 3 mg Effective
  • Niacin (as niacinamide) 30 mg Effective
  • Vitamin B6 (as pyridoxine hydrochloride) 1.5 mg Under-dosed
  • Folate (180 mcg folic acid) 300 mcg DFE Under-dosed
  • Vitamin B12 (as cyanocobalamin) 3 mcg Effective
  • Biotin 10 mcg Under-dosed
  • Pantothenic Acid (as calcium pantothenate) 6 mg Effective
  • Choline (as choline bitartrate) 25.9 mg Under-dosed
  • Zinc (as zinc sulfate) 6 mg Under-dosed
  • Liver Powder, desiccated (bovine) 583.2 mg High
  • Liver Concentrate Powder (bovine) 194.4 mg Under-dosed
  • DL-Methionine 30 mg Under-dosed
  • Inositol 30 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 20
Total Fat 1 g 2%*
Total Carbohydrate 1 g <1%*
Protein 1 g 3%*
Vitamin A (as retinyl palmitate) 1080 mcg 120%
Vitamin C 30 mg 33%
Vitamin E (as d-alpha tocopherol) 20.1 mg 134%
Thiamin (as thiamine mononitrate) 3 mg 250%
Riboflavin 3 mg 231%
Niacin (as niacinamide) 30 mg 188%
Vitamin B6 (as pyridoxine hydrochloride) 1.5 mg 88%
Folate (180 mcg folic acid) 300 mcg DFE 75%
Vitamin B12 (as cyanocobalamin) 3 mcg 125%
Biotin 10 mcg 33%
Pantothenic Acid (as calcium pantothenate) 6 mg 120%
Choline (as choline bitartrate) 25.9 mg 5%
Zinc (as zinc sulfate) 6 mg 55%
Liver Powder, desiccated (bovine) 583.2 mg
Liver Concentrate Powder (bovine) 194.4 mg
Liver Protein Fraction II (bovine) 194.4 mg
Brewer's Yeast 194.4 mg
DL-Methionine 30 mg
Inositol 30 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Vegetable oil (contains soybean oil and one or more of the following: rapeseed oil, sunflower oil, or corn oil) Unknown
Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Glycerin Safe

Retains moisture and helps dissolve ingredients in softgels and liquids.

Soy Lecithin Safe

Helps blend oil and water-based ingredients. Common allergen.

Water Safe

Dissolves and carries water-soluble ingredients.

Beeswax Safe

Used as a coating and to help form softgel capsules.

FD&C Red #40 Caution

It is used to improve the appearance of the supplement.

Titanium Dioxide Caution

Used as a whitening agent in tablet coatings and capsules.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Calcium Phosphate Generally_safe

It is used as a filler and anticaking agent in supplements.

FD&C Blue #1 Caution

It is used to improve the appearance of the supplement.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$111$110$109$108$107 Mar 12 $109.24
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
Naturally Vitamins

Founded 1948 · Phoenix, AZ, United States · 2 products · naturally.com

Certifications

2 certifications
Nsf Certified For Sport Verified Source
Nsf Gmp Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed Source
In House Testing — Claimed Source
Related Supplements
Frequently Asked Questions
Is Naturally Vitamins Marlyn®, Hep-Forte® a good supplement?

Naturally Vitamins Marlyn®, Hep-Forte®, 500 Soft Gelatin Capsules received a product quality score of 58/100 in GoodSupp's independent analysis, indicating several areas of concern that consumers should review. The product contains 23 active ingredients with 166 servings per container. Of the 11 inactive ingredients, 6 are rated safe and 3 are flagged for review. The manufacturer, Naturally Vitamins, holds a brand trust score of 68/100 with 2 verified certifications including Nsf Certified For Sport, Nsf Gmp.

What are the ingredients in Naturally Vitamins Marlyn®, Hep-Forte®?

Naturally Vitamins Marlyn®, Hep-Forte® contains 23 active ingredients: Calories (20), Total Fat (1 g), Total Carbohydrate (1 g), Protein (1 g), Vitamin A (as retinyl palmitate) (1080 mcg), Vitamin C (30 mg), and 17 more. Notable high-dose ingredients include Thiamin at 250% DV, Riboflavin at 231% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Naturally Vitamins Marlyn®, Hep-Forte® safe to take?

Naturally Vitamins Marlyn®, Hep-Forte®, 500 Soft Gelatin Capsules has been analyzed for ingredient safety across all its components. Of 11 inactive ingredients, 6 are rated safe. 3 ingredients are flagged for review: FD&C Red #40, Titanium Dioxide, FD&C Blue #1. '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.

Is Naturally Vitamins a trustworthy supplement brand?

Naturally Vitamins receives a brand trust score of 68/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1948 and headquartered in Phoenix, AZ, United States, the company offers 2 products in their lineup. They hold 2 verified certifications including Nsf Certified For Sport, Nsf Gmp. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.

Scan Any Supplement Instantly

Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.

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.