The 88 things biohacker Bryan Johnson’s girlfriend is doing every day for a ‘world first’ in menstrual health research

Health & Fitness
31 Jul 2026 • 4:54 AM MYT
The Independent
The Independent

The world’s most free-thinking newspaper

The 88 things biohacker Bryan Johnson’s girlfriend is doing every day for a ‘world first’ in menstrual health research

Biohacker Bryan Johnson’s girlfriend Kate Tolo is undertaking a major effort to collect 14 million data points related to her menstrual cycle — in what Johnson says marks a “world first” for women’s health.

"Women are not well understood medically," Johnson – whose $2 million-a-year anti-aging program was detailed in last year's Netflix documentary Don't Die: The Man Who Wants to Live Forever – told The Independent via email earlier Thursday. "Kate will provide the most comprehensive data set on a female menstrual cycle in history.”

It remains unclear how long this $2.6 million initiative will take, funded by the couple’s company Immortals, but a daily schedule released by Johnson shows that nearly every minute of the 30-year-old’s day is accounted for by blood tests, exercise and digital tracking among other steps.

From 6 a.m. through 10 p.m., she and a 12-person medical team will work to collect data on nearly every facet of her health using 50 devices, including a so-called “techno tampon” designed to track blood flow.

Here’s what Tolo’s day looks like, according to Johnson’s social media posts.

6 a.m. - 7 a.m.

6:30 a.m. Wake up, stop the recording sleep ring and sleep band and spit in a tube

6:33 a.m. Swab inside the cheek

6:34 a.m. Measure the temperature under the tongue

6:36 a.m. Remove the techno tampon

6:37 a.m. Give a urine sample to measure levels of the stress hormone cortisol

6:39 a.m. Give a urine sample for other hormones

6:41 a.m. Measure pelvic floor strength

6:54 a.m. Log a score for the previous evening’s sleep

6:57 a.m. Measure the nervous system

7 a.m. - 8 a.m.

7:03 a.m. Blow into a metabolism tracker

7:06 a.m. Breath mask for 10 minutes

7:21 a.m. Turn the sun therapy light on

7:24 a.m. Document urine color

7:25 a.m. Measure blood pressure

7:31 a.m. Use a Waterpik

7:34 a.m. Floss

7:36 a.m. Brush teeth

7:39 a.m. Use a tongue scraper

7:40 a.m. Swab the vaginal microbiome

7:43 a.m Step on scales

7:45 a.m. Take photos of Tolo’s body

7:54 a.m. Finish the first 13 ounces of water

7:57 a.m. Measure Tolo’s reaction time

8 a.m. - 11 a.m.

8:04 a.m. Measure grip strength

8:06 a.m. Measure skin

8:15 a.m. Measure brain

8:41 a.m. Give a urine sample for “test three”

8:44 a.m. Get blood drawn

9:16 a.m. Take a speed of aging blood test

9:19 a.m. Measure eyes

9:25 a.m. Measure smell

9:45 a.m. Measure taste

10:04 a.m. Measure pain

10: 24 a.m. Measure smell again

10:40 a.m. Measure taste again

10:55 a.m. Test hearing

From 8 a.m. to 11 a.m. there are more measurements, including brain, pain and grip strength (@bryan_johnson/Instagram)

11 a.m. - 1 p.m.

11:04 a.m. Spit in a second tube

11:07 a.m. Eat a protein-rich meal

11:26 a.m. Use red light on Tolo’s full body

11:42 a.m. Use red light on Tolo’s hair

11:48 a.m. Take a stool test

12:01 p.m. Take another stool test

12:08 p.m. Insert the techno tampon

12:14 p.m. Watch films

12:44 p.m. Make a longevity mix

12:46 p.m. Drink supplements

12:52 p.m. Prepare water

12:55 p.m. Put on a heart rate monitor

12:56 p.m. Put on a weighted vest

12:57 p.m. Walk with the weighted vest

1 p.m. - 4 p.m.

1:32 p.m. Stretch and warm up for the gym

1:39 p.m. Work out in the gym

2:14 p.m. Eat the second meal of the day

2:34 p.m. Shower

2:47 p.m. Do skincare

2:50 p.m. Get dressed

3:03 p.m. Work

5 p.m. - 7 p.m.

5:05 p.m. Blow into the metabolism tracker again

5:08 p.m. Eat a third meal

5:28 p.m. Blow in the metabolism tracker

5:30 p.m. Work

6:30 p.m. Blow into the metabolism tracker

6:33 p.m. Take another urine sample

6:37 p.m. Blow into the metabolism tracker

6:39 p.m. Spit into another tube

6:42 p.m. Eat another meal

7 p.m. - 8 p.m.

7:08 p.m. Finish a third water bottle

7:11 p.m. Shower

7:37 p.m. Skincare

7:39 p.m. Waterpik

7:42 p.m. Floss

7:44 p.m. Brush teeth

7:47 p.m. Tongue scrape

7:48 p.m. Prep water for the next morning

7:55 p.m. Prepare testing for the next day

Bryan Johnson’s $2 million-a-year anti-aging program was detailed in last year's Netflix documentary Don't Die: The Man Who Wants to Live Forever (AFP via Getty Images)

8 p.m. - 10 p.m.

8:08 p.m. Log mood, appetite, stool and other measurements

8:10 p.m. Read and wind down for the day

9:10 p.m. Spit into another tube

9:13 p.m. Give another urine sample

9:17 p.m Red light mask before bed

9:30 p.m. Blow into the metabolism tracker

9:33 p.m. Insert a continuous glucose monitor and swallow a temperature pill

9:40 p.m. Put on a sleep right

9:42 p.m. Insert the techno tampon

9:55 p.m. sleep

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