
Human origin
Isolated from a human donor.
The science behind Holy Cow
Meet Bifidobacterium adolescentis. Holy Cow features a specific strain studied in adults who have difficulty digesting lactose.
Here’s what the human research found, how it connects to your capsule, and where to see the evidence yourself.
See the study findings
For your love of dairy
Encouraging research behind your daily routine.
Read the study ↗The studied strain versus placebo
in a two-week study
Why this strain?

Isolated from a human donor.

Studied for its ability to metabolize lactose.

Evaluated in a two-week placebo-controlled trial.
From the study to your capsule
Holy Cow features Bifidobacterium adolescentis alongside other probiotic and prebiotic ingredients.
One capsule, once daily.
30 capsules · 30-day supply

Human research on a specific Bifidobacterium adolescentis strain.

Product testing · Lot 14661
Just one capsule daily, following the product directions—no need to time a capsule with each dairy meal. Holy Cow is a consistent daily routine, not an instant lactase enzyme.
Holy Cow combines a 16 billion CFU probiotic blend, including Bifidobacterium adolescentis, with XOS and D-ribose in one daily capsule. Explore the full ingredient list on the product label.
Holy Cow features the same specific strain of Bifidobacterium adolescentis evaluated in the published human study. The findings apply to that strain—not every strain of the species or Holy Cow’s complete formula.
The studied-strain group reported 65% lower average combined daily symptom scores than placebo during the two-week study. It’s an encouraging finding—not a prediction of your individual results.
The randomized, placebo-controlled study involved 21 adults over two weeks. Participants restricted milk and soft dairy during supplementation. The 65% finding compares average combined daily symptom scores of 1.04 for the studied strain and 2.97 for placebo; it is not the percentage of people who improved.
The lactose challenge did not show a significant improvement in breath hydrogen, a measure used to assess lactose maldigestion. The small, short study does not establish long-term outcomes or unrestricted dairy tolerance. Individual results vary; follow the product directions and pay attention to your own response.
No. Holy Cow is intended for lactose digestion support, not milk allergy. Ask a qualified healthcare professional about persistent symptoms or a suspected allergy.
One capsule. Once daily.
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