BARE BIOLOGY

Certificate of Analysis

We are very happy to share all our test results, in full, so you know exactly what you're getting (and what you're not getting) so you can judge the quality for yourself.

Batch: 101883 Skinful Pure Marine Collagen Expiry date: 08/2026

Microbiological

Microbiological Unit Method Specification Results
Enterobacteriaceae cfu/g AFNOR 3M 01/06-09/97 < 100 < 10
E.coli in 1g ISO 16649-3 Negative Neg.
Salmonella in 25g NMKL 71 Negative Neg.

Residual material

Residual material Unit Method Specification Result
Total Arsenic (As) mg/kg ICP-SFMS <1 0.7
Mercury (Hg) mg/kg ICP-SFMS ≤ 0.05 0.001
Lead (Pb) mg/kg ICP-SFMS ≤ 0.10 0.01
Cadmium (Cd) mg/kg ICP-SFMS ≤ 0.02 < 0.001
Chromium (Cr) mg/kg ICP-SFMS <5 0.1
Copper (Cu) mg/kg ICP-SFMS < 10 0.09
Zinc (Zn) mg/kg ICP-SFMS < 10 < 0.3

Typical Amino Acid Profile *

Result (g/100g) Result (g/5g)
Hydroxyproline 7.04 0.352
Glycine 27.80 1.39
Alanine 9.82 0.491
Proline 11.53 0.5765
Valine 2.19 0.1095
Leucine 2.57 0.1285
Isoleucine 1.44 0.072
Serine 6.47 0.3235
Threonine 2.77 0.1385
Aspartic acid 6.62 0.331
Glutamic acid 10.70 0.535
Methionine 2.14 0.107
Cystine <0.006 <0.0003
Tyrosine 0.73 0.0365
Phenylalanine 1.94 0.097
Histidine 1.27 0.0635
Arginine 8.87 0.4435
Lysine 4.05 0.2025
Ornithine <0.05 <0.0025
Tryptophane 0.05 0.0025

*FREQUENCY: Performed Every 2 years (Most recent test date 25/06/2025)

METHOD: Hydroxyproline - Spectrophotometry (BS 4401-11:1995). Other amino acids: ISO 13903:2005, EU 152/2009

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Skinful Pure Marine Collagen COA 101883 Exp Aug26 ?v=1751961130

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