Gym ProductReview
Double Wood Supplements Liquid Collagen Supplement Paid link · rating unaffected 6.6/ 10 on 85% of the weighting · 3 of 4 components Find on Amazon (opens in a new tab)

Home / Collagen / Liquid Collagen Supplement

Label data verified Double Wood Supplements · #21 of 37 in Collagen

Liquid Collagen Supplement

Title links to Amazon · paid link, a search, not a verified listing · the rating is unaffected

Label disclosure 35% weight 10.00/10
Value 30% weight 0.38/10
Dose integrity 20% weight 10.00/10
Consensus 15% weight
not enough dataomitted — reweighted across the remaining components
Cost in category per g active
$0.287 BulkSupplements Hydrolyzed Bovine Collagen Powder — $0.035Horbaach Collagen Peptides 40oz Powder — $0.036BulkSupplements Hydrolyzed Collagen Porcine Powder — $0.037BulkSupplements Hydrolyzed Fish Collagen Powder — $0.045BulkSupplements Hydrolyzed Chicken Collagen Powder — $0.046Double Wood Supplements Collagen Peptides — $0.055Nutricost Grass Fed Collagen Hydrolysate Powder — $0.062Double Wood Supplements Marine Collagen — $0.066Rule 1 Proteins R1 Collagen Peptides — $0.070Transparent Labs Collagen Protein Powder — $0.075Horbaach Collagen with Vitamin C 6000mg Per Serving 300 Caplets — $0.076Orgain Grass Fed Pasture Raised Collagen Peptides — $0.079EVL Nutrition Collagen Peptides — $0.082NutraBio Multi Collagen — $0.087PEScience Collagen Peptides — $0.083Horbaach Amino Acid Complex 3000mg Per Serving 250 Caplets — $0.081Gorilla Mind Collagen — $0.108Nutricost Marine Collagen Powder 8oz — $0.122Orgain Collagen Peptides Pre Probiotics — $0.088Jocko Collagen Colostrum — $0.178Horbaach Skin Rejuvenator with Verisol 200 Caplets — $0.127Orgain Wild Caught Marine Collagen Powder — $0.166BulkSupplements Marine Collagen Pills — $0.166Orgain Grass Fed Pasture Raised Collagen Peptides Chocolate — $0.098Horbaach Marine Collagen Peptides 2000mg Per Serving 180 Caplets — $0.183BulkSupplements Collagen Pills — $0.688 Category median $0.082 Liquid Collagen Supplement — $0.287 median
$0.035 Cheaper than 4% of the other 26 scored collagen $0.688

Consensus was omitted — not enough data. Remaining components reweighted.

6.60/ 10
Composite score Strong

Composite score · 85% of category weighting covered

Nutrition

serving size not on record · 32 servings per container
Nutrition (per serving)Amount
Proteinnot enough data
Caloriesnot enough data
Total Carbsnot enough data
Sugarnot enough data
Sugar Alcoholsnot enough data
Fatnot enough data
Fibernot enough data
Sodiumnot enough data

Dose audit

Disclosed dose against reference dose · 1 ingredient audited
IngredientDisclosed doseReference doseStatusSource
Collagen Peptides 2,500 mg 2,500 mg
trial dose
MET Proksch et al., Skin Pharmacol Physiol 2014;27:47-55 (PMID 23949208) — randomized double-blind placebo-controlled trial dosing 2.5 g and 5.0 g/day for 8 weeks in 69 women aged 35-55

Recognised by the dose reference but not scored: Biotin (no established dose outside diagnosed deficiency).

Coverage: 2 of 3 dosed actives on this label matched the dose reference (blend headers, sub-totals, footnote rows and weighed excipients are not counted).

Full label as transcribed

9 ingredient rows, in the order the label prints them
Ingredient, as recordedPer serving
Vitamin C (as Ascorbic acid)90 mg
Biotin0.03 mg
Hydrolyzed Bovine Collagen2,500 mg
Waterno amount
vegetable glycerinno amount
natural pear flavorno amount
citric acidno amount
potassium sorbateno amount
stevia leaf extractno amount

Two independent readers transcribed this label and agreed on every amount shown (verified 2026-10-22). Panel source ↗ (opens in a new tab)

“No amount” means the record carries no figure for that row: the label prints none (an ingredient-list entry or a blend member), prints it in another form such as a percentage, or only one reading recorded one.

Price

$22.95
Liquid Collagen Supplement · SKU DW-LIQUIDCOLLAGEN
Price from doublewoodsupplements.com · captured 2026-10-22
View Liquid Collagen Supplement at doublewoodsupplements.com (opens in a new tab)
Find it on Amazon
Search results — not a verified price · paid link
Search Amazon for Double Wood Supplements Liquid Collagen Supplement (opens in a new tab)

Commission links are marked and may earn us a commission. They do not affect the rating.

Provenance

How it was read
Read from the label image by two independent readers who agreed on every published value
Captured
2026-10-22
Verified
2026-10-22
Panel source
source ↗ (opens in a new tab)