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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 vitamins and minerals, including Vitamin C and D3, which support immune function and bone health. While these individual ingredients have strong research evidence for general wellness, 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
52 mg (87% DV)
100 IU (25% DV)
Within RDA (0.2× RDA) 608 studies (A:16, B:251)
6 mg (300% DV)
4.6× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
Calcium
154 mg (15% DV)
Iron
5 mg (28% DV)
40 mg (10% DV)
Within RDA (0.1× RDA) 316 studies (A:8, B:159)
10 mg (67% DV)
Within RDA (0.9× RDA) 263 studies (A:6, B:134)
75 mg (3750% DV)
Exceeds UL by 6.8× (UL: 11 mg) 9 studies — no high-quality reviews
Potassium
33 mg (1% DV)
Market median: 1000.0mg (1115 products) 24 studies (A:0, B:9)

Other Ingredients

Calcium Carbonate Cellulose Stearic Acid Silica
Claims

Label Claims — Verification

Unverified Nutrient
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.

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

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

Warning: Accidental overdose of iron containing products is a leading cause of fatal poisoning in children under 6. Keep this product out of reach of children. In case of accidental overdose contact a doctor or poison control center immediately.

Contains crustacean shellfish (crab & shrimp) ingredients.

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

Nutritionally supports Healthy back function

Gluten free

Made in USA

Additional Information

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

Formula 306

Metadata

Product Details

UPC / SKU0 99528 30627 5
DSLD Entry Date2024-10-24
Product TypeOther Combinations
FormTablet or Pill
BrandWonder Laboratories
DSLD ID315114
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.