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ADDtend

product on market Capsule Douglas Laboratories Safety: 90/100
90/100

This product looks safe

  • Contains proprietary blend — exact ingredient amounts not disclosed
  • 56% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This profile features a blend of B vitamins and Vitamin C, which are essential for energy metabolism and cognitive function. Research provides strong evidence for the role of these nutrients in supporting neurological health. However, the overall evidence coverage for this specific formulation is limited.

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

Alerts

Safety Alerts

Contains proprietary blend — exact ingredient amounts not disclosed

Label

Product Label

Label for ADDtend
Open Full PDF View on NIH DSLD →
Details

Label Data

6 Capsule(s)
Serving Size
20
Servings
Other Combinations
Product Type
56%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
150 mg (250% DV)
15 mg (1000% DV)
12.5× RDA — above typical dose 76 studies (A:0, B:33)
15 mg (882% DV)
11.5× RDA — above typical dose 13 studies (A:0, B:1)
30 mg (150% DV)
2.1× RDA — within safe limits 196 studies (A:5, B:63)
30 mg (1500% DV)
23.1× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
60 mcg (15% DV)
Within RDA (0.1× RDA) 226 studies (A:10, B:105)
30 mcg (500% DV)
12.5× RDA — above typical dose 139 studies (A:1, B:44)
60 mcg (20% DV)
2.0× RDA — within safe limits 27 studies (A:0, B:11)
Calcium
165 mg (17% DV)
Iron
15 mg (83% DV)
110 mg (11% DV)
Within RDA (0.2× RDA) 13 studies (A:0, B:3)
75 mcg (50% DV)
Within RDA (0.5× RDA) 245 studies (A:4, B:133)
42 mg (11% DV)
Within RDA (0.1× RDA) 316 studies (A:8, B:159)
6 mg (40% DV)
Within RDA (0.5× RDA) 263 studies (A:6, B:134)
600 mcg (30% DV)
Within RDA (0.7× RDA) 37 studies (A:0, B:11)
DHA
84 mg
Market median: 750.0mg (447 products) 393 studies (A:18, B:204)
75 mg
Market median: 60.0mg (94 products) 13 studies (A:0, B:7)
75 mg
Market median: 200.0mg (198 products) 6 studies — no high-quality reviews
Kelp
15 mg
Pantethine
15 mg
Market median: 100.0mg (108 products)
Protease
2700 HUT
Market median: 100.0mg (166 products) 11 studies (A:0, B:1)
Royal Bee Jelly
150 mg
Acidophilus
Bifidus
Proprietary Blend
1000 mg

Other Ingredients

Dicalcium Phosphate Gelatin Cellulose Vegetable Stearate Silica
Claims

Label Claims — Verification

Unverified All Other
Info

Product Information

Directions for Use

Suggested Usage: As a dietary supplement, take 6 capsules one hour before meals or as directed by a healthcare provider.

Warnings & Precautions

KEEP OUT OF REACH OF CHILDREN.

Tamper-resistant package; Do not use if outer seal is missing.

Formulation Notes

This product contains NO yeast, wheat gluten, milk/dairy, corn, sodium, sugar, starch, artificial coloring, preservatives or flavoring.

Additional Information

For optimal storage conditions, store in a cool, dry place. (59(0)-77(0)F/15(0)-25(0)C) (35-65% relative humidity)

BEST IF KEPT REFRIGERATED

Formula #98651

Metadata

Product Details

UPC / SKU3 10539 02076 0
DSLD Entry Date2012-06-25
Product TypeOther Combinations
FormCapsule
BrandDouglas Laboratories
DSLD ID10334
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.