Stress Defense Performance Tabs

The label, verified: what is in it, at what amounts, and why the formula is built this way.

Last reviewed August 2026 · MDR · Product page

The full label

Serving size 1 Tablet

IngredientPer serving% DV
Vitamin A (as Retinyl Palmitate)225 mcg RAE–
Vitamin A (as Beta-Carotene)375 mcg RAE67%
Vitamin A (as Alpha-Carotene)6.25 mcg RAE–
Vitamin C (as Ascorbic Acid, Calcium Ascorbate and Ascorbyl Palmitate)300 mg333%
Vitamin E (as d-Alpha Tocopheryl Succinate with Beta, Delta, and Gamma Tocopherols)10.05 mg67%
Thiamine (Vitamin B1, as Thiamine HCL)3.8 mg317%
Riboflavin (Vitamin B2)6.3 mg485%
Niacin (as Niacinamide)20 mg NE125%
Vitamin B6 (as Pyridoxine HCl)7.5 mg441%
Vitamin B12 (as Cyanocobalamin)3 mcg125%
Biotin150 mcg500%
Pantothenic Acid (D-Calcium Pantothenate)5 mg100%
Calcium (as Calcium Carbonate & Ascorbate)225 mg17%
Magnesium (as Magnesium Oxide)100 mg24%
Zinc (as Zinc Sulfate and Gluconate)3.5 mg32%
Selenium (as Selenomethionine)25 mcg45%
Copper (as Copper Gluconate)0.25 mg28%
Chromium (ChromeMate™)35 mcg100%
Lutein (FloraGLO® Lutein)200 mcg*
Lycopene (Lycored Lycopene®)200 mcg*
Zeaxanthin10 mcg*

Other ingredients: Modified Cellulose Gum, Vegetable Stearates, Sodium Citrate, Silicon Dioxide, Hypromellose, Polydextrose, Calcium Carbonate, Spirulina Extract, Medium Chain Triglycerides, Riboflavin, Peppermint Powder. *Daily Value not established.

Why it’s built this way

Stress Defense is physician-developed, descending from the same MDR multivitamin program that produced the original AM/PM patents. The formula concentrates the nutrients most depleted during periods of stress, the B-complex and vitamin C among them, in support of the body's normal stress response.

What customers report

Customers rate Stress Defense Performance Tabs 4.9 out of 5, with 92% rating it five stars. Reviews are collected from MDR.com customers and filtered for compliance; the same set is shown on the product page.

Quality

  • Physician-developed, descending from the MDR multivitamin patents
  • Made by MDR, an American company with 40 years in nutrition science
  • No caffeine, no herbal stimulants, no megadoses
  • Gluten-free and designed for steady daily use