Senior Dog Supplement Trial: 6-Week Comparison of 5 Formulas (Including a Postbiotic)
Home » Reviews » Senior Dog Supplement Trial By BCPG Review Team — Consumer Testing Lab Editor | Updated March 2026 | 14 min read Key Takeaways We ran a 6-week hands-on trial of 5 senior dog supplements across 12 dogs (ages 9–13), tracking stool quality, coat sheen, willingness to eat, mobility markers, and owner-reported…