Back-Gard
by Wonder Laboratories · Tablet or Pill
Supplement facts from the label of Back-Gard by Wonder Laboratories: Vitamin C 52 mg, Vitamin D3 100 IU, Vitamin B6 6.0 mg, Calcium 154 mg….

Supplement Facts
| Ingredient | Per serving | % DV | Upper limit (adults) |
|---|---|---|---|
| Vitamin C (L-Ascorbic Acid) | 52 mg | 87% | 2,000 mg · 8% at label max |
| Vitamin D3 (Cholecalciferol) | 100 IU | 25% | 100 mcg · 8% at label max |
| Vitamin B6 (Pyridoxine Hydrochloride) | 6.0 mg | 300% | 100 mg · 18% at label max |
| Calcium (Calcium Carbonate) | 154 mg | 15% | 2,500 mg · 18% at label max |
| Iron (Ferrous Fumarate) | 5.0 mg | 28% | 45 mg · 33% at label max |
| Magnesium (Magnesium Oxide) | 40 mg | 10% | 350 mg · 34% at label max |
| Zinc (Zinc Oxide) | 10 mg | 67% | 40 mg · 75% at label max |
| Manganese (Manganese Sulfate) | 75 mg | 3,750% | 11 mg · 2,045% at label max ⚠ |
| Potassium (Potassium Citrate) | 33 mg | 1% | — |
| Glucosamine Hydrochloride | 75 mg | — | — |
⚠ Above the upper limit: at the most servings a day printed on the label, at least one ingredient goes above the adult UL. Some ULs apply only to supplemental forms (shown on each ingredient page).
Upper limits: NIH ODS Fact Sheets for Health Professionals. Compared only where the unit converts and the limit applies to the form on the label.
On the label
For: Adult (18 - 50 Years) · Women (not pregnant or lactating) · Gluten Free
Claim types: Nutrient · All Other · Structure/Function
Suggested/Recommended/Usage/Directions: Directions: As a dietary supplement, take 1 tablet three times daily.
Precautions re: All Other: Tamper evident: Do not use this product if imprinted foil seal under cap is broken or missing.
Formulation re: Other: Mfg. in an FDA Registered Facility using Good Manufacturing Practices (GMPs)
Storage: Keep tightly closed. Store at room temperature: 59 degrees - 86 degrees F (15 degrees to 30 degrees C).
Formulation re: Other: Conforms to USP <2091> for weight. Meets USP <2040> disintegration for maximum bioavailability. Made in USA
Precautions re: Allergies: Caution: Do not take this product if you are pregnant, nursing or allergic to shellfish.
This page repeats what the label says and the official upper limits for healthy adults. It is not medical advice: ask a doctor, pharmacist or registered dietitian about your own intake, especially if you are pregnant, take medicines or have a health condition.
Label data: NIH Office of Dietary Supplements, Dietary Supplement Label Database (dsld.od.nih.gov), public domain. Upper limits: NIH ODS Fact Sheets for Health Professionals (values from the Institute of Medicine, Food and Nutrition Board).