NaturesPlus Vitamin B12, Sustained Release, 60 Tablets supplement bottle
NaturesPlus

Vitamin B12, Sustained Release, 60 Tablets

What We Researched
2 active ingredients analyzed · 7 inactive ingredients decoded · 2 retailers compared · Last updated: Mar 2026
84
Product Score Good
59
Brand Score Poor

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin B12(as methylcobalamin) 2000 mcg 83,333%
Calcium 105 mg 8%
Bioavailability Excellent

Absorption Rating

  • Vitamin B12(as methylcobalamin) Good
  • Calcium Good
Other Ingredients Excellent

Fillers & Additives

  • Di-Calcium Phosphate
  • Microcrystalline Cellulose
  • Stearic Acid
  • Hydroxypropyl Methylcellulose
  • Magnesium Stearate
  • Natural Color (Beet Juice)
  • Pharmaceutical glaze and silica
Efficacy Poor

Dosage Analysis

  • Vitamin B12(as methylcobalamin) 2000 mcg High
  • Calcium 105 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin B12(as methylcobalamin) 2000 mcg 83,333%
Calcium 105 mg 8%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Di-Calcium Phosphate Generally_safe

It is used as a filler or source of calcium and phosphorus.

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.

Hydroxypropyl Methylcellulose Safe

It is used as a coating for tablets and capsules.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Natural Color (Beet Juice) Safe

It is used to add color to the supplement.

Pharmaceutical glaze and silica Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$25$24$23$22$21 Mar 12 $22.91
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
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
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Frequently Asked Questions
Is NaturesPlus Vitamin B12, Sustained Release a good supplement?

NaturesPlus Vitamin B12, Sustained Release, 60 Tablets received a product quality score of 84/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 2 active ingredients Of the 7 inactive ingredients, 5 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 Vitamin B12, Sustained Release?

NaturesPlus Vitamin B12, Sustained Release contains 2 active ingredients: Vitamin B12(as methylcobalamin) (2000 mcg), Calcium (105 mg). Notable high-dose ingredients include Vitamin B12 at 83,333% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NaturesPlus Vitamin B12, Sustained Release safe to take?

NaturesPlus Vitamin B12, Sustained Release, 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 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.