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Back-Gard+

product on market Tablet or Pill Wonder Laboratories Safety: 96/100
96/100

This product looks safe

  • Manganese: 75mg is 6.8× the Tolerable Upper Intake Level (11mg)
  • 50% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This profile contains essential nutrients including calcium, magnesium, and vitamins C, D-3, and B-6, which are supported by strong evidence for bone health and immune function. While these ingredients are well-researched, the overall evidence coverage for this specific formulation is limited. The product maintains a high safety score.

AI-generated summary based on research evidence. Not medical advice.

Alerts

Safety Alerts

Manganese: 75mg is 6.8× the Tolerable Upper Intake Level (11mg)

Label

Product Label

Label for Back-Gard+
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Tablet(s)
Serving Size
270
Servings
Other Combinations
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
26 mg (29% DV)
2.5 mcg (13% DV)
Within RDA (0.2× RDA) 608 studies (A:16, B:251)
3 mg (176% DV)
2.3× RDA — within safe limits 114 studies (A:3, B:35)
Calcium
75 mg (6% DV)
40 mg (10% DV)
Within RDA (0.1× RDA) 316 studies (A:8, B:159)
5 mg (45% DV)
Within RDA (0.5× RDA) 263 studies (A:6, B:134)
75 mg (3261% DV)
Exceeds UL by 6.8× (UL: 11 mg) 9 studies — no high-quality reviews
Potassium
17 mg (1% DV)
Market median: 1000.0mg (1115 products) 24 studies (A:0, B:9)
250 mg
Market median: 1000.0mg (2 products)

Other Ingredients

Calcium Carbonate Vegetable Cellulose Vegetable Stearic Acid Silica
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: As a dietary supplement, take 1 tablet three times daily.

Warnings & Precautions

Tamper evident: Do not use this product if imprinted foil seal under cap is broken or missing.

Keep out of reach of children.

Contains crustacean shellfish (crab & shrimp) ingredients.

Caution: Do not take this product if you are pregnant, nursing or allergic to shell fish.

Caution: Do not take this product if you are pregnant, nursing or allergic to shell fish.

Formulation Notes

Mfg. in an FDA Registered Facility using Good Manufacturing Practices (GMPs).

Conforms to USP <2091> for weight. Meets USP <2040> disintegration for maximum bioavailability.

Made in USA

Manganese Glucosamine - M.S.M

Nutritionally supports healthy back function

Gluten free

Additional Information

Keep tightly closed. Store at room temperature: 59 degrees - 86 degrees F (15 degrees to 30 degrees C).

Formula 147

Metadata

Product Details

DSLD Entry Date2021-12-18
Product TypeOther Combinations
FormTablet or Pill
BrandWonder Laboratories
DSLD ID260596
Data Updated2026-04-11
Research

Research Evidence

371
Research Sources
54
Avg Quality
148
Meta Analysis
82
Systematic Review
71
Rct
62
Clinical Trial
2
Regulatory Source
1
Cochrane Review
1
Narrative Review
1
Other
1
Openfda Safety
A Vitamin C supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017 PubMed DOI
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
A Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
Meta Analysis International journal of molecular sciences 2024 PubMed DOI
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021 PubMed DOI
View all evidence for Vitamin C →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.