NaturesPlus Just Vitamins Sustained Release supplement bottle
NaturesPlus

Just Vitamins Sustained Release

What We Researched
15 active ingredients analyzed · 17 inactive ingredients decoded · 1 retailer compared · Last updated: Mar 2026
87
Product Score Good
59
Brand Score Poor

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin A (as Beta-Carotene) 7500 mcg RAE 833%
Vitamin C (as Ascorbic Acid) 250 mg 278%
Vitamin D (as Ergocalciferol) 25 mcg 125%
Vitamin E (as D-Alpha-Tocopheryl Succinate) 134 mg 893%
Thiamine (as Vitamin B1) 125 mg 10417%
Riboflavin (as Vitamin B2) 125 mg 9615%
Niacin (as Niacinamide) 80 mg NE 500%
Vitamin B6 (as Pyridoxine Hydrochloride) 125 mg 7353%
Folate 667 mcg DFE 167%
Vitamin B12 (as Cyanocobalamin) 250 mcg 10417%
Biotin 125 mcg 417%
Pantothenic Acid (as Calcium Pantothenate) 125 mg 2500%
Choline (as Choline Bitartrate) 42 mg 8%
Inositol 100 mg
Para-Aminobenzoic Acid 80 mg
Bioavailability Good

Absorption Rating

  • Vitamin A (as Beta-Carotene) Fair
  • Vitamin C (as Ascorbic Acid) Fair
  • Vitamin D (as Ergocalciferol) Fair
  • Vitamin E (as D-Alpha-Tocopheryl Succinate) Good
  • Thiamine (as Vitamin B1) Good
  • Riboflavin (as Vitamin B2) Good
  • Niacin (as Niacinamide) Good
  • Vitamin B6 (as Pyridoxine Hydrochloride) Fair
  • Folate Fair
  • Vitamin B12 (as Cyanocobalamin) Fair
  • Biotin Good
  • Pantothenic Acid (as Calcium Pantothenate) Good
  • Choline (as Choline Bitartrate) Poor
  • Inositol Good
  • Para-Aminobenzoic Acid Good
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Stearic Acid
  • Dicalcium Phosphate
  • Hydroxypropyl Methylcellulose
  • Silica
  • Magnesium Stearate
  • Rice Bran
  • Rose Hip
  • Carob
  • Papaya
  • Watercress
  • Parsley
  • Icelandic Kelp
  • Alfalfa
  • Green Cabbage
  • Acerola Cherry
  • Pharmaceutical Glaze
Efficacy Very Good

Dosage Analysis

  • Vitamin A (as Beta-Carotene) 7500 mcg RAE High
  • Vitamin C (as Ascorbic Acid) 250 mg Effective
  • Vitamin D (as Ergocalciferol) 25 mcg Effective
  • Vitamin E (as D-Alpha-Tocopheryl Succinate) 134 mg Effective
  • Thiamine (as Vitamin B1) 125 mg Effective
  • Riboflavin (as Vitamin B2) 125 mg Effective
  • Niacin (as Niacinamide) 80 mg NE High
  • Vitamin B6 (as Pyridoxine Hydrochloride) 125 mg High
  • Folate 667 mcg DFE Effective
  • Vitamin B12 (as Cyanocobalamin) 250 mcg Effective
  • Biotin 125 mcg Effective
  • Pantothenic Acid (as Calcium Pantothenate) 125 mg Effective
  • Choline (as Choline Bitartrate) 42 mg Under-dosed
  • Inositol 100 mg Under-dosed
  • Para-Aminobenzoic Acid 80 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin A (as Beta-Carotene) 7500 mcg RAE 833%
Vitamin C (as Ascorbic Acid) 250 mg 278%
Vitamin D (as Ergocalciferol) 25 mcg 125%
Vitamin E (as D-Alpha-Tocopheryl Succinate) 134 mg 893%
Thiamine (as Vitamin B1) 125 mg 10417%
Riboflavin (as Vitamin B2) 125 mg 9615%
Niacin (as Niacinamide) 80 mg NE 500%
Vitamin B6 (as Pyridoxine Hydrochloride) 125 mg 7353%
Folate 667 mcg DFE 167%
Vitamin B12 (as Cyanocobalamin) 250 mcg 10417%
Biotin 125 mcg 417%
Pantothenic Acid (as Calcium Pantothenate) 125 mg 2500%
Choline (as Choline Bitartrate) 42 mg 8%
Inositol 100 mg
Para-Aminobenzoic Acid 80 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.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Dicalcium Phosphate Safe

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

Hydroxypropyl Methylcellulose Safe

It is used as a coating for tablets and capsules.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Rice Bran Safe

Natural filler and source of fiber.

Rose Hip Unknown
Carob Safe

It is used as a natural colorant or flavoring agent.

Papaya Safe

It may be included for its digestive enzymes or nutritional content.

Watercress Generally_safe

It is included for its nutritional benefits.

Parsley Safe

It may be included for its nutritional content or as a flavoring agent.

Icelandic Kelp Unknown
Alfalfa Unknown
Green Cabbage Unknown
Acerola Cherry Unknown
Pharmaceutical Glaze Generally_safe

It is used to coat tablets or capsules for easier swallowing or controlled release.

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
NaturesPlus

Founded 1972 · Melville, New York, United States · 420 products · naturesplus.com

Transparency

3 claims
Third Party Testing Claim — Claimed
In House Testing — Claimed

Violation History

1 incident
Recall Keto Living Sugar Control Capsules2022-05-06Source
Related Supplements
Frequently Asked Questions
Is NaturesPlus Just Vitamins Sustained Release a good supplement?

NaturesPlus Just Vitamins Sustained Release received a product quality score of 87/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 15 active ingredients with 60 servings per container. Of the 17 inactive ingredients, 10 are rated safe and 0 are flagged for review. The manufacturer, NaturesPlus, holds a brand trust score of 59/100.

What are the ingredients in NaturesPlus Just Vitamins Sustained Release?

NaturesPlus Just Vitamins Sustained Release contains 15 active ingredients: Vitamin A (as Beta-Carotene) (7500 mcg RAE), Vitamin C (as Ascorbic Acid) (250 mg), Vitamin D (as Ergocalciferol) (25 mcg), Vitamin E (as D-Alpha-Tocopheryl Succinate) (134 mg), Thiamine (as Vitamin B1) (125 mg), Riboflavin (as Vitamin B2) (125 mg), and 9 more. Notable high-dose ingredients include Vitamin A at 833% DV, Vitamin C at 278% DV, Vitamin E at 893% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NaturesPlus Just Vitamins Sustained Release safe to take?

NaturesPlus Just Vitamins Sustained Release 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 NaturesPlus a trustworthy supplement brand?

NaturesPlus receives a brand trust score of 59/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1972 and headquartered in Melville, New York, United States, the company offers 420 products in their lineup. Note: NaturesPlus has 1 historical regulatory incident on record, which are factored into the trust score.

How much vitamin d3 should i take daily?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

What does vitamin d do?

This is an important question for supplement consumers. The dietary supplement industry is largely self-regulated, which means product quality, ingredient transparency, and safety practices vary significantly between brands and products. The most reliable way to evaluate any supplement is to check for third-party testing certifications, review the full ingredient list and dosages, and research the brand's regulatory track record. GoodSupp's database of over 250,000 analyzed products provides independent quality scores, ingredient safety ratings, and brand trust reports to help you make evidence-based decisions.

How much vitamin d3 per day for a woman?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

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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.