"I haven't wanted sex since starting the pill" is one of the most common complaints in sexual wellness communities — and one of the most debated in clinical research. Here's what the evidence actually shows.

The Mechanism: Why Some Hormonal Contraceptives Reduce Libido

Combined oral contraceptives (COCs) contain synthetic estrogen (ethinyl estradiol) and a progestin. These hormones work by suppressing ovulation — but they also alter the broader hormonal environment in ways that can affect sexual desire.

Two mechanisms are well-documented:

1. SHBG elevation. Ethinyl estradiol significantly raises sex hormone-binding globulin (SHBG). SHBG binds to testosterone in the bloodstream, reducing the amount of free (bioavailable) testosterone. A 2006 retrospective study (PMID 16409223) found that SHBG levels were four-fold higher in women on OCs compared to non-users — and remained elevated even after stopping the pill in some women. Since free testosterone is a key driver of sexual desire, binding more of it reduces the desire signal.

2. Ovarian testosterone suppression. By suppressing ovulation, hormonal contraceptives also suppress the ovarian production of testosterone. A 2013 meta-analysis (PMID 24082040) of 42 studies confirmed that COCs consistently reduce total and free testosterone levels in healthy women, with free testosterone decreasing to a greater degree than total testosterone (due to the simultaneous SHBG increase).

How Common Is Birth Control-Related Low Libido?

Less common than widely believed — but real for a meaningful minority. A systematic review of 36 studies (PMID 23320933) found that most COC users report no significant change in libido, and some report improvement (particularly those whose pre-pill libido was suppressed by menstrual pain or cycle-related anxiety). Across studies, approximately 15% of users reported decreased sexual desire. A 2006 review (PMID 16913282) confirmed this range: decreased libido affects a minority, while the majority are unaffected or report benefit.

The variation comes down to pill formulation, individual androgen sensitivity, and baseline hormonal profile before starting contraception.

Comparison: Hormonal Contraceptive Types and Libido Impact

5 Things to Know About Birth Control and Low Libido

1. Not everyone is affected — and the number may be smaller than you think. Social communities amplify the ~15% who experience decreased desire. The majority of users report no change. This doesn't dismiss those who are affected, but context matters for decision-making.
2. Pill formulation matters. Different progestins have different androgenic activity. Pills with more androgenic progestins (like norgestrel) may have a smaller libido impact than those with anti-androgenic progestins (like drospirenone). Switching formulations rather than stopping entirely is often the right first step.
3. SHBG can remain elevated after stopping the pill. The 2006 Panzer study (PMID 16409223) found that SHBG levels persisted above baseline in some women even six months after discontinuing OCs. If you've recently stopped and still have low libido, this may be a factor.
4. Stress and relationship factors often overlap with OC-related effects. Many people start hormonal contraception around life transitions that involve other libido stressors — new relationships, career stress, lifestyle changes. Isolating the OC contribution requires honest tracking of when desire declined and what else changed at the same time.
5. Botanical libido support works through different pathways. Supplements like Tribulus Terrestris and Muira Puama don't raise free testosterone directly — they support desire and libido signaling through botanical mechanisms. They can't override the SHBG binding effect of ethinyl estradiol. But if your baseline desire was already lower, or if stress is a co-factor, they may meaningfully help.

What to Do If Birth Control Is Affecting Your Libido

The most important step is a conversation with your prescriber. Options include:

• Switch pill formulation — try a pill with a more androgenic progestin or lower estrogen dose
• Switch method — progestin-only or non-hormonal IUD avoids the systemic SHBG effect
• Give it 3 months — libido often adjusts after the initial hormonal shift stabilizes
• Address overlapping factors — stress, sleep, and relationship dynamics may be amplifying the hormonal effect

NUUD supplements can support desire at the margins — particularly if situational factors or baseline libido are contributing alongside any hormonal changes. They're not a replacement for the right contraceptive conversation.

→ Libido gummies for women · Full NUUD supplement line

Research Citations

• Burrows LJ, et al. The influence of combined oral contraceptives on female sexual desire: a systematic review. J Sex Med. 2012. PMID: 23320933
• Zimmermann Y, et al. The effect of combined oral contraception on testosterone levels in healthy women: a systematic review and meta-analysis. Hum Reprod Update. 2014. PMID: 24082040
• Panzer C, et al. Impact of oral contraceptives on sex hormone-binding globulin and androgen levels: a retrospective study in women with sexual dysfunction. J Sex Med. 2006. PMID: 16409223
• Greco T, et al. Oral contraceptives and libido in women. Ann N Y Acad Sci. 2006. PMID: 16913282
• Pastor Z, Holla K, Chmel R. The influence of combined oral contraceptives on female sexual desire: a systematic review. Eur J Contracept Reprod Health Care. 2013. PMID: 23320933

Frequently Asked Questions

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.