Biote hormone pellets typically last 3 to 5 months in women and 4 to 6 months in men. The exact duration varies from person to person because the pellets don’t release hormones on a fixed schedule. Instead, they respond to your body’s own blood flow and activity level, which means your results may differ from someone else using the same dose.
Why Duration Differs for Women and Men
Women receiving Biote pellets usually contain a combination of estradiol and testosterone, while men receive testosterone alone. These hormones are absorbed at different rates. In women, testosterone pellets tend to deplete faster, often around the 3-month mark, while estradiol pellets can maintain effective levels for closer to 6 months. That’s why some women on maintenance therapy have testosterone pellets replaced every 3 months but only need estradiol pellets replaced every 6 months.
Men generally get longer stretches between insertions because their testosterone pellets are larger and contain a higher dose. Most men fall in the 4- to 6-month range before levels drop enough to warrant a new insertion.
How the Pellets Release Hormones
Unlike patches or creams that deliver a steady, pre-set dose, Biote pellets release hormones based on your cardiovascular output. When your heart rate increases during exercise, stress, or physical activity, blood flow to the tissue surrounding the pellet increases, and more hormone gets absorbed. During rest, absorption slows down. This means the pellets respond somewhat dynamically to your body’s needs rather than delivering the same amount every hour of every day.
This mechanism also explains why two people with the same pellet dose can have noticeably different durations. Someone who exercises intensely and frequently may metabolize their pellet faster than someone with a more sedentary routine. Your overall metabolism, body composition, and stress levels all play a role in how quickly the pellet is used up.
What to Expect After Insertion
Most people don’t feel the effects immediately. It takes time for the pellet to begin releasing enough hormone to make a noticeable difference, and your provider will typically schedule follow-up blood work 4 to 6 weeks after your first insertion. This timing captures your peak hormone levels and helps guide future dosing. After the first round, blood work is generally done annually unless something feels off.
The first insertion is partly diagnostic. Your provider uses the blood work results and your symptom response to fine-tune the dose for your next round. Some people need a slightly higher or lower dose, and the interval between insertions may shift as your body’s response becomes clearer over time.
Signs Your Pellets Are Wearing Off
As the pellet nears the end of its lifespan, your hormone levels gradually decline. For many people, this feels like a slow return of the symptoms that brought them to hormone therapy in the first place. The shift is usually subtle at first and becomes more noticeable over a week or two.
Common signs include:
- Fatigue: Both physical and mental energy drop, and daily tasks start feeling harder than they did a few weeks earlier.
- Mood changes: Increased irritability, anxiety, or sudden emotional shifts are among the earliest signals for many people.
- Sleep disruption: Difficulty falling asleep, waking up through the night, or waking up feeling unrested.
- Reduced sex drive: A decline in libido or difficulty with arousal affects both men and women as testosterone levels fall.
- Return of menopausal symptoms: Women may notice hot flashes, night sweats, or vaginal dryness returning.
Some people also experience headaches, digestive discomfort, appetite changes, joint pain, or skin changes during this transition period. These tend to be temporary, lasting until the next pellet is inserted and reaches effective levels.
Why You May Feel Worse Than Before
One thing that catches people off guard is that the period between pellets can actually feel worse than how they felt before starting therapy at all. This isn’t a sign that something is wrong. Your body adjusts to the higher, steadier hormone levels the pellets provide. When those levels drop, the contrast can make symptoms feel more intense than your original baseline. This effect usually resolves once a new pellet is placed and begins releasing hormones.
If you notice symptoms returning well before your scheduled re-insertion, it’s worth letting your provider know. The timing of your next round can often be moved up, and your dose may need adjustment. Tracking when symptoms reappear helps your provider dial in the right schedule for your body, which can take two or three cycles to optimize.
Planning Your Re-Insertion Schedule
Most providers recommend scheduling your next insertion before your current pellet is fully depleted. For women, this often means booking every 3 to 4 months. For men, every 4 to 5 months is a common rhythm. Staying ahead of full depletion minimizes the gap where symptoms return and keeps hormone levels more consistent over time.
Keep in mind that your personal schedule may not match these averages exactly. Activity level, stress, body composition, and individual metabolism all influence how quickly you go through a pellet. The goal is to find a rhythm that keeps you feeling stable, and your provider will adjust the timing based on your blood work and symptom patterns.