NaturesPlus Mega Stress Complex, 90 Tablets supplement bottle
NaturesPlus

Mega Stress Complex, 90 Tablets

What We Researched
17 active ingredients analyzed · 12 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 C (as ascorbic acid) 500 mg 556%
Thiamin (vitamin B1) (as thiamine HCl) 60 mg 5,000%
Riboflavin (vitamin B2) 60 mg 4,615%
Niacin (as niacinamide) 125 mg NE 781%
Vitamin B6 (as pyridoxine HCl) 100 mg 5,882%
Folate (as as calcium-L-5-methyltetrahydrofolate)(400 mcg L-methylyfolate) 667 mcg DFE 167%
Vitamin B12 (as methylcobalamin) 250 mcg 10,417%
Biotin 75 mcg 250%
Pantothenic Acid (as calcium pantothenate) 200 mg 4,000%
Choline (as bitartrate) 32 mg 6%
Calcium (as amino acid chelate/complex) 100 mg 8%
Magnesium (as amino acid chelate/complex) 50 mg 12%
Zinc (as amino acid chelate/complex) 25 mg 227%
Inositol 100 mg *
Valerian (Valeriana officinalisroot) 50 mg *
PABA (para-aminobenzoic acid) 30 mg *
Chamomile (Matricaria recutitaflower) 25 mg *
Bioavailability Very Good

Absorption Rating

  • Vitamin C (as ascorbic acid) Fair
  • Thiamin (vitamin B1) (as thiamine HCl) Fair
  • Riboflavin (vitamin B2) Good
  • Niacin (as niacinamide) Good
  • Vitamin B6 (as pyridoxine HCl) Fair
  • Folate (as as calcium-L-5-methyltetrahydrofolate)(400 mcg L-methylyfolate) Good
  • Vitamin B12 (as methylcobalamin) Good
  • Biotin Good
  • Pantothenic Acid (as calcium pantothenate) Good
  • Choline (as bitartrate) Poor
  • Calcium (as amino acid chelate/complex) Good
  • Magnesium (as amino acid chelate/complex) Good
  • Zinc (as amino acid chelate/complex) Fair
  • Inositol Good
  • Valerian (Valeriana officinalisroot) Good
  • PABA (para-aminobenzoic acid) Good
  • Chamomile (Matricaria recutitaflower) Fair
Other Ingredients Excellent

Fillers & Additives

  • Calcium Carbonate
  • Microcrystalline Cellulose
  • Di-Calcium Phosphate
  • Stearic Acid
  • Magnesium Oxide
  • Zinc Sulfate
  • Magnesium Stearate
  • Hydroxypropyl Methylcellulose
  • Silica
  • Rose hips (rosa carinafruit)
  • Isolated soy protein
  • Rice and pharmaceutical glaze
Efficacy Fair

Dosage Analysis

  • Vitamin C (as ascorbic acid) 500 mg Effective
  • Thiamin (vitamin B1) (as thiamine HCl) 60 mg Effective
  • Riboflavin (vitamin B2) 60 mg Effective
  • Niacin (as niacinamide) 125 mg NE High
  • Vitamin B6 (as pyridoxine HCl) 100 mg Effective
  • Folate (as as calcium-L-5-methyltetrahydrofolate)(400 mcg L-methylyfolate) 667 mcg DFE Effective
  • Vitamin B12 (as methylcobalamin) 250 mcg Effective
  • Biotin 75 mcg Effective
  • Pantothenic Acid (as calcium pantothenate) 200 mg Effective
  • Choline (as bitartrate) 32 mg Under-dosed
  • Calcium (as amino acid chelate/complex) 100 mg Under-dosed
  • Magnesium (as amino acid chelate/complex) 50 mg Under-dosed
  • Zinc (as amino acid chelate/complex) 25 mg Effective
  • Inositol 100 mg Under-dosed
  • Valerian (Valeriana officinalisroot) 50 mg Under-dosed
  • PABA (para-aminobenzoic acid) 30 mg Under-dosed
  • Chamomile (Matricaria recutitaflower) 25 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C (as ascorbic acid) 500 mg 556%
Thiamin (vitamin B1) (as thiamine HCl) 60 mg 5,000%
Riboflavin (vitamin B2) 60 mg 4,615%
Niacin (as niacinamide) 125 mg NE 781%
Vitamin B6 (as pyridoxine HCl) 100 mg 5,882%
Folate (as as calcium-L-5-methyltetrahydrofolate)(400 mcg L-methylyfolate) 667 mcg DFE 167%
Vitamin B12 (as methylcobalamin) 250 mcg 10,417%
Biotin 75 mcg 250%
Pantothenic Acid (as calcium pantothenate) 200 mg 4,000%
Choline (as bitartrate) 32 mg 6%
Calcium (as amino acid chelate/complex) 100 mg 8%
Magnesium (as amino acid chelate/complex) 50 mg 12%
Zinc (as amino acid chelate/complex) 25 mg 227%
Inositol 100 mg *
Valerian (Valeriana officinalisroot) 50 mg *
PABA (para-aminobenzoic acid) 30 mg *
Chamomile (Matricaria recutitaflower) 25 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Calcium Carbonate Safe

Acts as a filler and provides supplemental calcium.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Di-Calcium Phosphate Generally_safe

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

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Magnesium Oxide Generally_safe

It is used to provide magnesium, an essential mineral.

Zinc Sulfate Generally_safe

It is used to supplement zinc intake.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Hydroxypropyl Methylcellulose Safe

It is used as a coating for tablets and capsules.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Rose hips (rosa carinafruit) Unknown
Isolated soy protein Unknown
Rice and pharmaceutical glaze Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$46$45$44$43$42 Mar 12 $43.73
Vitacost

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 Stress Complex, 90 Tablets a good supplement?

NaturesPlus Mega Stress Complex, 90 Tablets received a product quality score of 84/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 17 active ingredients with 90 servings per container. Of the 12 inactive ingredients, 6 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 Stress Complex, 90 Tablets?

NaturesPlus Mega Stress Complex, 90 Tablets contains 17 active ingredients: Vitamin C (as ascorbic acid) (500 mg), Thiamin (vitamin B1) (as thiamine HCl) (60 mg), Riboflavin (vitamin B2) (60 mg), Niacin (as niacinamide) (125 mg NE), Vitamin B6 (as pyridoxine HCl) (100 mg), Folate (as as calcium-L-5-methyltetrahydrofolate)(400 mcg L-methylyfolate) (667 mcg DFE), and 11 more. Notable high-dose ingredients include Vitamin C at 556% DV, Thiamin at 5,000% DV, Riboflavin at 4,615% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NaturesPlus Mega Stress Complex, 90 Tablets safe to take?

NaturesPlus Mega Stress Complex, 90 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.

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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.