Net Contents
270 Tablet(s)
Serving Size
1 Tablet(s)
Servings Per Container
270
Supplement Form
Tablet or Pill
Bar Code (UPC/SKU)
Not specified
Product Version
Rev.03DV
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
10 distinct active ingredients are disclosed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
8 ingredients report a %DV; 2 meet or exceed 100% DV.
Label states: Gluten-Free.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Allergen Guide
Contains
- Shellfish
Free From
- Gluten
Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.
Supplement Facts
Serving Size: 1 Tablet(s) · 3 per day
| Ingredient | Amount Per Serving | % Daily Value |
|---|---|---|
| Vitamin C | 26 mg | 29% |
| Vitamin D-3 | 2.5 mcg | 13% |
| Vitamin B-6(Pyridoxine Hydrochloride) | 3 mg | 176% |
| Calcium(Calcium Carbonate) | 75 mg | 6% |
| Magnesium(Magnesium Oxide) | 40 mg | 10% |
| Zinc(Zinc Oxide) | 5 mg | 45% |
| Manganese(Manganese Sulfate) | 75 mg | 3261% |
| Potassium(Potassium Citrate) | 17 mg | 1% |
| Glucosamine Hydrochloride | 250 mg | — |
| M.S.M. | 250 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Directions: As a dietary supplement, take 1 tablet three times daily.
Warnings & Precautions
Precautions re: All Other
Tamper evident: Do not use this product if imprinted foil seal under cap is broken or missing.
Precautions re: Children
Keep out of reach of children.
Precautions re: Allergies
Contains crustacean shellfish (crab & shrimp) ingredients.
Precautions re: Pregnant or Nursing or Prescription Medications
Caution: Do not take this product if you are pregnant, nursing or allergic to shell fish.
Precautions re: Allergies
Caution: Do not take this product if you are pregnant, nursing or allergic to shell fish.
Storage
Storage
Keep tightly closed. Store at room temperature: 59 degrees - 86 degrees F (15 degrees to 30 degrees C).
Formulation
Formulation re: Other
Mfg. in an FDA Registered Facility using Good Manufacturing Practices (GMPs).
Formulation re: Other
Conforms to USP <2091> for weight. Meets USP <2040> disintegration for maximum bioavailability.
Formulation re: Other
Made in USA
Formula re: Contains
Manganese Glucosamine - M.S.M
Formulation re: Other
Nutritionally supports healthy back function
Formulation re: Does NOT Contain
Gluten free
FDA Statements
FDA Disclaimer Statement
This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
FDA Statement of Identity
Dietary Supplement
Other Label Statements
General Statements: All Other Content
Formula 147
Manufacturer & Distributor
Distributor
Wonder Laboratories
115 S.C.T. Ct., White House, TN, 37188
Market Reference
Back-gard+ Manganese Glucosamine MSM 270 Tablets
Wonder Laboratories$7.63LowestBack-gard Manganese And Glucosamine 270 Tablets
Wonder Laboratories$16.91
Where to Buy Locally
Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.
Showing representative supplement & health retailers — search above for stores in your area.
Discount Nutrition Superstore
4.9 (1072)Vitamin & supplements store
1912 E Camelback Rd, Phoenix, AZ 85016
Firebird Nutrition
4.9 (106)Vitamin & supplements store
2966 Hayden Rd, Scottsdale, AZ 85251
Rexius Nutrition Tempe
5.0 (123)Vitamin & supplements store
101 E Southern Ave, Tempe, AZ 85282
DS Sports Nutrition Scottsdale
4.8 (78)Vitamin & supplements store
18529 N Scottsdale Rd, Scottsdale, AZ 85255
Peak Nutrition
5.0 (345)Vitamin & supplements store
1840 E Warner Rd Ste 107, Tempe, AZ 85284
Performance-Supp.com
4.8 (43)Vitamin & supplements store
2636 S Wilson St Ste 104, Tempe, AZ 85282
Natural Supplements USA
5.0 (1)Vitamin & supplements store
4500 S Lakeshore Dr #510, Tempe, AZ 85282
Power Nutrition - Vitamins & Sports Supplements
4.6 (33)Vitamin & supplements store
5052 W Olive Ave, Glendale, AZ 85302
Related News
Magnesium Forms Explained: Oxide, Citrate, and Glycinate
The magnesium form on a label affects how much elemental magnesium you get. Here is how the common forms compare.
VitaSuppTrack Editorial· Jun 24, 2026Vitamin D: What the Label Numbers Mean
How to read vitamin D amounts on a Supplement Facts panel, the IU-to-mcg conversion, and why %DV matters.
VitaSuppTrack Editorial· Jun 24, 2026
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2021-12-18. DSLD Label ID: 260596. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.
Related Products

01-02 Enhanced Fat Melting Matrix
ATS Labs

1000 mg Vitamin C Acai Berry
Emergen-C

1000 mg Vitamin C Cranberry Pomegranate
Emergen-C

1000 MG Vitamin C Cranberry-Pomegranate
Emergen-C