🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 46% of ingredients have research evidence
A Label Compliance Grade

Product Label

📸

Have a supplement label? Find it here.

Upload a photo of any supplement label to search our database of 92,312 products.

Label Data

6 Tablet(s) Serving Size
20 Servings
Other Combinations Product Type
46% Evidence Coverage

Supplement Facts — Evidence Check

Calories
25 {Calories}
Vitamin C
143 mg (238% DV)
59 IU (197% DV)
✅ 2.6× RDA — within safe limits 📚 177 studies (Tier A: 3, B: 90)
RDA 15mg This product: 39.53mg UL 1000mg
49 mcg (61% DV)
✅ Within RDA (0.4× RDA of 0.12 mg) 📚 273 studies (Tier A: 9, B: 175)
RDA 0.12mg This product: 0.049mg
1 mg (59% DV)
✅ Within RDA (0.8× RDA of 1.3 mg) 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 1mg
0.8 mg (4% DV)
✅ Within RDA (0.1× RDA of 14 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 0.8mg UL 35mg
6 mg (300% DV)
📊 4.6× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 6mg UL 100mg
300 mcg (75% DV)
✅ Within RDA (0.7× RDA of 0.4 mg) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 0.3mg UL 1.0mg
2.4 mcg (40% DV)
✅ Within RDA (1.0× RDA of 0.0024 mg) 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.0024mg
45 mg (450% DV)
📊 9.0× RDA — above typical dose 📚 1 studies — no high-quality reviews
RDA 5mg This product: 45mg
Calcium
45 mg (5% DV)
22 mg (2% DV)
📊 Market median: 99.0mg (503 products) 📚 12 studies (Tier A: 0, B: 3)
RDA 700mg This product: 22mg UL 4000mg
25 mg (6% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 25mg
9 mg (60% DV)
✅ Within RDA (0.8× RDA of 11 mg) 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 9mg UL 40mg
120 mcg (171% DV)
✅ 2.2× RDA — within safe limits 📚 172 studies (Tier A: 0, B: 67)
RDA 0.055mg This product: 0.12mg UL 0.4mg
110 mcg (92% DV)
📊 3.1× RDA — above typical dose 📚 197 studies (Tier A: 1, B: 55)
RDA 0.035mg This product: 0.11mg
Potassium
46 mg (1% DV)
424 mg
📊 Market median: 500.0mg (180 products) 📚 5 studies (Tier A: 0, B: 1)
This product: 424mg
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 250mg
Mahonia extract
250 mg
Terminalia extract
250 mg
📊 Market median: 260.0mg (249 products) 📚 156 studies (Tier A: 4, B: 61)
This product: 200mg
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 199mg
199 mg
📊 Market median: 500.0mg (193 products) 📚 7 studies — no high-quality reviews
This product: 199mg
MSM
199 mg
📊 Market median: 1000.0mg (2 products)
This product: 199mg
Hesperidin
147 mg
📊 Market median: 100.0mg (284 products) 📚 10 studies (Tier A: 0, B: 4)
This product: 120mg
📊 Market median: 200.0mg (198 products) 📚 6 studies — no high-quality reviews
This product: 100mg
100 mg
📊 Market median: 200.0mg (136 products) 📚 3 studies — no high-quality reviews
This product: 100mg
Butcher's Broom
100 mg
📊 Market median: 333.0mg (166 products) 📚 9 studies (Tier A: 0, B: 2)
This product: 100mg
100 mg
📊 Market median: 60.0mg (94 products) 📚 13 studies (Tier A: 0, B: 7)
This product: 100mg
L-Valine
100 mg
Zizyphus extract
100 mg
N-Acetyl-L-Cysteine
99 mg
Betain HCL
99 mg
✅ Within RDA (0.2× RDA of 550 mg) 📚 36 studies (Tier A: 1, B: 7)
RDA 550mg This product: 99mg UL 3500mg
98 mg
📊 Market median: 550.0mg (217 products) 📚 29 studies (Tier A: 0, B: 5)
This product: 98mg
📊 Market median: 120.0mg (440 products) 📚 187 studies (Tier A: 1, B: 71)
This product: 90mg
Grape skin extract
60 mg
📊 Market median: 100.0mg (70 products)
Median 100.0mg This product: 50mg
Guggul Gum Extract
50 mg
L-Proline
50 mg
Red clover extract
50 mg
📊 Market median: 450.0mg (254 products) 📚 240 studies (Tier A: 0, B: 100)
This product: 50mg
49 mg
📊 Market median: 500.0mg (19 products)
This product: 49mg
📊 Market median: 100.0mg (283 products) 📚 142 studies (Tier A: 1, B: 64)
This product: 39mg UL 1200mg
Piperine
28 mg
📊 Market median: 167.0mg (311 products) 📚 182 studies (Tier A: 0, B: 65)
This product: 25mg
reduced L-Glutathione
17 mg
Policosanol
17 mg
Lipase
10 mg
Serrazimes Protease
10 mg
Vinpoceline
5 mg

Other Ingredients

Microcrystalline Cellulose Dextrose Silicon Dioxide Sodium carboxymethyl Cellulose Maltodextrin Enteric Coating

Label Claims — Verification

All Other
Structure/Function
All Other (99% of products) Structure/Function (83% of products) Nutrient (54% of products)

Target Groups

Adult (18 - 50 Years) Gluten Free Dairy Free

Product Information

📋 Directions for Use

Directions For Use Adult optimum dose: 6 tablets per day Adult maintenance dose: 4 tablets per day For optimal results split into 2 doses per day; first thing in the morning, and around mid to late afternoon.

🧪 Formulation Notes

Contains ingredients derived from soy.

Does not contain dairy, gluten, shellfish or peanut

Additional Information

L1015-4 111114

love life. live life.

To Help Support Cardiovascular Function

Enteric coated

Batch number: Manufactured: Use by date:

Store in a cool, dry place.

BEST QUALITY GUARANTEE

Product of New Zealand

Product Details

DSLD Entry Date 2013-01-25
Product Type Other Combinations
Form Tablet or Pill
Brand Xtendlife
DSLD ID 17014
Data Updated 2026-04-11

Research Evidence

371 Research Sources
54 Avg Quality Score
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
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024
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
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021
View all evidence for Vitamin C →

Compare Similar Products

View all Vitamin C products →