NaturesPlus Mega B-100 Balanced B-Complex supplement bottle
NaturesPlus

Mega B-100 Balanced B-Complex

What We Researched
11 active ingredients analyzed · 9 inactive ingredients decoded · 1 retailer compared · Last updated: Mar 2026
85
Product Score Good
59
Brand Score Poor

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Thiamine (as Thiamine Hydrochloride, Vitamin B1) 100 mg 8333%
Riboflavin (as Vitamin B2) 100 mg 7692%
Niacin (as Niacinamide) 100 mg NE 625%
Vitamin B6 (as Pyridoxine Hydrochloride) 100 mg 5882%
Folate (as Calcium-L-5-Methyltetrahydrofolate) 167 mcg DFE 42%
Vitamin B12 (as Methylcobalamin) 100 mcg 4167%
Biotin 100 mcg 333%
Pantothenic Acid (as Calcium Pantothenate) 100 mg 2000%
Choline (as Choline Bitartrate) 42 mg 8%
Inositol 100 mg
Para-Aminobenzoic Acid 30 mg
Bioavailability Very Good

Absorption Rating

  • Thiamine (as Thiamine Hydrochloride, Vitamin B1) Fair
  • Riboflavin (as Vitamin B2) Good
  • Niacin (as Niacinamide) Good
  • Vitamin B6 (as Pyridoxine Hydrochloride) Fair
  • Folate (as Calcium-L-5-Methyltetrahydrofolate) Good
  • Vitamin B12 (as Methylcobalamin) Good
  • Biotin Good
  • Pantothenic Acid (as Calcium Pantothenate) Good
  • Choline (as Choline Bitartrate) Poor
  • Inositol Good
  • Para-Aminobenzoic Acid Good
Other Ingredients Excellent

Fillers & Additives

  • Dicalcium Phosphate
  • Stearic Acid
  • Hydroxypropyl Methylcellulose
  • Silica
  • Magnesium Stearate
  • Rice Bran
  • Watercress
  • Parsley
  • Pharmaceutical Glaze
Efficacy Good

Dosage Analysis

  • Thiamine (as Thiamine Hydrochloride, Vitamin B1) 100 mg Effective
  • Riboflavin (as Vitamin B2) 100 mg Effective
  • Niacin (as Niacinamide) 100 mg NE High
  • Vitamin B6 (as Pyridoxine Hydrochloride) 100 mg Effective
  • Folate (as Calcium-L-5-Methyltetrahydrofolate) 167 mcg DFE Under-dosed
  • Vitamin B12 (as Methylcobalamin) 100 mcg Effective
  • Biotin 100 mcg Effective
  • Pantothenic Acid (as Calcium Pantothenate) 100 mg Effective
  • Choline (as Choline Bitartrate) 42 mg Under-dosed
  • Inositol 100 mg Under-dosed
  • Para-Aminobenzoic Acid 30 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Thiamine (as Thiamine Hydrochloride, Vitamin B1) 100 mg 8333%
Riboflavin (as Vitamin B2) 100 mg 7692%
Niacin (as Niacinamide) 100 mg NE 625%
Vitamin B6 (as Pyridoxine Hydrochloride) 100 mg 5882%
Folate (as Calcium-L-5-Methyltetrahydrofolate) 167 mcg DFE 42%
Vitamin B12 (as Methylcobalamin) 100 mcg 4167%
Biotin 100 mcg 333%
Pantothenic Acid (as Calcium Pantothenate) 100 mg 2000%
Choline (as Choline Bitartrate) 42 mg 8%
Inositol 100 mg
Para-Aminobenzoic Acid 30 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Dicalcium Phosphate Safe

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

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

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.

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.

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
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Frequently Asked Questions
Is NaturesPlus Mega B-100 Balanced B-Complex a good supplement?

NaturesPlus Mega B-100 Balanced B-Complex received a product quality score of 85/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 11 active ingredients with 90 servings per container. Of the 9 inactive ingredients, 7 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 Mega B-100 Balanced B-Complex?

NaturesPlus Mega B-100 Balanced B-Complex contains 11 active ingredients: Thiamine (as Thiamine Hydrochloride, Vitamin B1) (100 mg), Riboflavin (as Vitamin B2) (100 mg), Niacin (as Niacinamide) (100 mg NE), Vitamin B6 (as Pyridoxine Hydrochloride) (100 mg), Folate (as Calcium-L-5-Methyltetrahydrofolate) (167 mcg DFE), Vitamin B12 (as Methylcobalamin) (100 mcg), and 5 more. Notable high-dose ingredients include Thiamine at 8333% DV, Riboflavin at 7692% DV, Niacin at 625% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NaturesPlus Mega B-100 Balanced B-Complex safe to take?

NaturesPlus Mega B-100 Balanced B-Complex 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.