Clostridium butyricum + 3-(4-hydroxy-3-methoxyphenyl)propionic acid + salmon milt-derived DNA

Clostridium butyricum + 3-(4-hydroxy-3-methoxyphenyl)propionic acid + salmon milt-derived DNA has been studied in 1 paper since 2026: 1 trial in people; 1 in the past year. The newest paper, Feb 14, 2026: “Effects of a Capsule Containing Clostridium butyricum, 3-(4-Hydroxy-3-Methoxyphenyl)propionic Acid, and Salmon Milt-Derived DNA on Cognitive Function in Middle-Aged and Older Adults: A 12-Week Randomized, Double-Blind, Placebo-Controlled Trial”.

Intervention

1 paper studies it4 findingsUpdated

See all 1

“In the overall analysis, no significant difference was observed in Composite Memory between groups”
Effects of a Capsule Containing Clostridium butyricum, 3-(4-Hydroxy-3-Methoxyphenyl)propionic Acid, and Salmon Milt-Derived DNA on Cognitive Function in Middle-Aged and Older Adults: A 12-Week Randomized, Double-Blind, Placebo-Controlled TrialPreprints.org2026doi:10.20944/preprints202602.1126.v1

None of its findings points the other way.

  • 1 lab in 1 country
  • 4 of 4 findings with company ties
  • Human trial1

Studies in people

1 study gave clostridium butyricum + 3-(4-hydroxy-3-methoxyphenyl)propionic acid + salmon milt-derived DNA to people and measured what changed.

  • no change: Has no effect on Composite Memory

    up: Improves Symbol Digit Coding test

    up: Improves verbal memory

    Randomized trial80 peopleBoth55–79 years12 weeks

    Midlife adults; Older adults; MMSE-J scores of 24–27

    Preprints.org, Feb 14, 2026

What did studies of Clostridium butyricum + 3-(4-hydroxy-3-methoxyphenyl)propionic acid + salmon milt-derived DNA find?

4

Studies of Clostridium butyricum + 3-(4-hydroxy-3-methoxyphenyl)propionic acid + salmon milt-derived DNA measured 4 outcomes; the most studied are fasting blood glucose (1 study), verbal memory (1) and Symbol Digit Coding test (1).

Fasting blood glucose

downin humans1

1 study
  1. Clostridium butyricum + 3-(4-hydroxy-3-methoxyphenyl)propionic acid + salmon milt-derived DNA decreases fasting blood glucose in humans.

    “Exploratory evaluations showed significant improvements in metabolic markers such as fasting plasma glucose, HbA1c, γ-GT, and uric acid in the Test food group”

    Human trialcapsule containing 1.4 × 107 CFU C. butyricum, 11.5 mg HMPA, 45 mg salmon milt-derived DNA12 weeksn = 80

    Effects of a Capsule Containing Clostridium butyricum, 3-(4-Hydroxy-3-Methoxyphenyl)propionic Acid, and Salmon Milt-Derived DNA on Cognitive Function in Middle-Aged and Older Adults: A 12-Week Randomized, Double-Blind, Placebo-Controlled Trial

    Preprints.orgPreprint

More on Fasting blood glucose

Verbal memory

upin humans1

1 study
  1. Clostridium butyricum + 3-(4-hydroxy-3-methoxyphenyl)propionic acid + salmon milt-derived DNA improves verbal memory in humans (MMSE-J scores of 24–27).

    “In the subgroup analysis, significant improvements in verbal memory-related indices were observed in the Test food group”

    Human trialMMSE-J scores of 24–27capsule containing 1.4 × 107 CFU C. butyricum, 11.5 mg HMPA, 45 mg salmon milt-derived DNA12 weeks

    Effects of a Capsule Containing Clostridium butyricum, 3-(4-Hydroxy-3-Methoxyphenyl)propionic Acid, and Salmon Milt-Derived DNA on Cognitive Function in Middle-Aged and Older Adults: A 12-Week Randomized, Double-Blind, Placebo-Controlled Trial

    Preprints.orgPreprint

Symbol Digit Coding test

upin humans1

1 study
  1. Clostridium butyricum + 3-(4-hydroxy-3-methoxyphenyl)propionic acid + salmon milt-derived DNA improves Symbol Digit Coding test in humans.

    “the number of correct responses in the Symbol Digit Coding (SDC) test, which is related to attention and processing speed, significantly improved in the Test food group”

    Human trialcapsule containing 1.4 × 107 CFU C. butyricum, 11.5 mg HMPA, 45 mg salmon milt-derived DNA12 weeksn = 80

    Effects of a Capsule Containing Clostridium butyricum, 3-(4-Hydroxy-3-Methoxyphenyl)propionic Acid, and Salmon Milt-Derived DNA on Cognitive Function in Middle-Aged and Older Adults: A 12-Week Randomized, Double-Blind, Placebo-Controlled Trial

    Preprints.orgPreprint

More on Symbol Digit Coding test

Composite Memory

no changein humans1

1 study
  1. Clostridium butyricum + 3-(4-hydroxy-3-methoxyphenyl)propionic acid + salmon milt-derived DNA showed no clear effect on Composite Memory in humans.

    “In the overall analysis, no significant difference was observed in Composite Memory between groups”

    Human trialcapsule containing 1.4 × 107 CFU C. butyricum, 11.5 mg HMPA, 45 mg salmon milt-derived DNA12 weeksn = 80

    Effects of a Capsule Containing Clostridium butyricum, 3-(4-Hydroxy-3-Methoxyphenyl)propionic Acid, and Salmon Milt-Derived DNA on Cognitive Function in Middle-Aged and Older Adults: A 12-Week Randomized, Double-Blind, Placebo-Controlled Trial

    Preprints.orgPreprint

More on Composite Memory

Latest

Dec 2025: 0Jan 2026: 0Feb 2026: 1Mar 2026: 0Apr 2026: 0May 2026: 0Jun 2026: 0Jul 2026: 0Aug 2026: 0Sep 2026: 0Oct 2026: 0Nov 2026: 01 paper in 12 months