19 Tests reviewed

YorkTest tests (13)

Optimal DNA & Methylation Test

Methylation and nutrition in full, plus sleep, stress, skin and fitness. The Stride DNA & Methylation Test shows how efficiently your body methylates and uses key nutrients like folate and other B vitamins, with insight into genes such as MTHFR, MTR, MAOA and COMT.

GB
  • At-home test
  • 110 biomarkers
  • Results in 10 days
9.0 / 10 Best for broad methylation genetics

Methylation Stack

Optimal DNA & methylation test including 46 reports, plus 3 months' supply of MS-01, our methylated B vitamin complex. Unlock your methylation blueprint + daily support.

GB
  • At-home test
  • 110 biomarkers
  • Results in 10 days
8.6 / 10 Best for testing plus support bundle

Core DNA & Methylation Test

All five methylation cycles. The Stride DNA & Methylation Test shows how efficiently your body methylates and uses key nutrients like folate and other B vitamins, with insight into genes such as MTHFR, MTR, MAOA and COMT.

GB
  • At-home test
  • 19 biomarkers
  • Results in 10 days

Advanced DNA & Methylation Test

The five cycles in full, plus 24 reports on how you process food. The Stride DNA & Methylation Test shows how efficiently your body methylates and uses key nutrients like folate and other B vitamins, with insight into genes such as MTHFR, MTR, MAOA and COMT.

GB
  • At-home test
  • 52 biomarkers
  • Results in 10 days

Optimal Biome

The Stride Optimal Biome Test analyses your gut microbiome in depth, measuring the balance and diversity of key bacteria involved in digestion, immunity, metabolism and gut-brain signalling, including species such as Akkermansia, Bifidobacterium and Lactobacillus.

GB
  • At-home test
  • Results in 20–25 days

Optimal Bloods

The Stride Optimal Bloods Test analyses more than 70 clinically relevant biomarkers linked to metabolic health, inflammation, hormones, cardiovascular risk and nutrient status, including markers such as cholesterol, HbA1c, CRP, vitamin D and iron.

GB
  • At-home test
  • 70 biomarkers
  • Results in 7 days