Buy Passion+ Online

Discover the power of Passion+, a trio of oxytocin, PT-141, and tadalafil. It increases libido and sexual satisfaction all while treating ED. It’s a formula for a renewed sexual vitality!
Starting at $10 per dose
Benefits of Passion+
  • Tadalafil / Oxytocin / PT-141
  • Take 30-60 minutes before
  • Lasts up to 36 hours
  • Best for resistant ED and low libido
  • Improves orgasm quality
Dosage Information

Starting at $10 per Dose

Common Passion+ Side Effects

For side effects, see each medication.

What’s Included

When you buy Passion+ from Invigor Medical, you can rest assured that you are working with a licensed, experienced, and dedicated doctor and receiving Passion+ from a U.S.-based, FDA 503B-registered pharmacy.
Rx Consultation

Discuss your treatment plan with one of our licensed practitioners.


All medications and supplies included, no hidden fees.


Our well-trained medical staff are ready to answer your questions. 

Single Purchase
5 Count
Single Purchase
30 Count

Benefits of Passion+

Oxytocin, PT-141, and tadalafil bring together three medications that enhance sexual response. Researchers have studied oxytocin for its pro-social benefits, but its benefits are far-reaching in controlling mood, sexual behavior, metabolism, and eating behaviors. Tadalafil, a medication used to treat erectile dysfunction, increases blood flow. PT-141 increases sexual desire and works with tadalafil for better erectile function. Together, they enhance sexual function and libido.

  • Reduces Anxiety
  • Increases Social Bonding
  • Strengthens Feelings of Connectiveness
  • Improves Erectile Function
  • Increased Libido
  • Increased Sexual Arousal
  • Enhances Sexual Response
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Signs You Might Need This Treatment Plan


You may be experiencing a combination of the following symptoms
  • Stress/Anxiety
  • Feeling Disconnected
  • Low Energy
  • Erectile Dysfunction
  • Low Sexual Arousal
  • Inability to Climax
If you are experiencing any of the symptoms listed above, please fill out our medical forms. After that, an Invigor Medical specialist will contact you.

Passion+ FAQs

The Plan
What are common side effects of ED medications?

Side effects from oxytocin are rare. Potential side effects of oxytocin include:

  • Nausea
  • Vomiting
  • Headache
  • Fast or slow heartbeat
  • Heart arrhythmias
  • Decreased sodium levels
  • Allergic reactions

Potential side effects from tadalafil include:

  • Headache
  • Dyspepsia
  • Nasopharyngitis
  • Muscle aches
  • Respiratory tract infections
  • Heartburn
  • Flushing or a feeling of warmth
  • Back pain
  • Nausea
  • Diarrhea
  • Cough
  • GERD
  • Extremity pain
  • Abdominal pain

Potential side effects from PT-141 include:

  • Nausea
  • Redness, pain, irritation, and bumps at the injection sites
Can I drink grapefruit juice with Passion+?

Grapefruit and grapefruit juice affect how tadalafil (one of the components of Passion+) is metabolized. Grapefruit juice can decrease the metabolism of tadalafil and increase its level in the blood. Grapefruit will decrease the enzyme CYP3A4, which breaks down tadalafil and releases it in a controlled dosage in your body.

Grapefruit can take 72 hours to metabolize. Do not consume grapefruit while taking tadalafil.

Potential side effects of combining grapefruit and tadalafil:

  • Redness
  • Flushing
  • Headache
  • Vision changes
  • Shortness of breath
  • Irregular heartbeat


Is PT-141 an FDA-approved drug?

PT-141 is currently FDA-approved to treat female hypoactive sexual desire disorder in premenopausal women. PT-141 is also used to treat decreased libido in men and women and erectile dysfunction in men.

What is Female Arousal Disorder?

Female arousal disorder or female hypoactive sexual desire disorder describes a condition in which women have little or no interest in sex. Women with this condition do not respond psychologically or physically to sexual stimulation. It is only considered a medical condition if the affected woman is distressed by the lack of arousal.

Based on DSM-5 criteria, sexual arousal disorder can be diagnosed when there is a decrease in three or more of the following:

  • Sexual or erotic fantasies or thoughts
  • Interest or arousal in response to erotic stimuli, whether internal or external
  • Interest in sexual activity
  • Pleasure or excitement during sexual activity (3/4 of the time)
  • Genital or nongenital sensations (3/4 of the time)
  • Initiating sexual activity or responding when a partner initiates sexual activity
Do you need a prescription for ED and sexual health medications?

Yes, in the United States, compounded medications are only available by prescription. A prescription is required to ensure that you do not have any contraindications for the medications.

What’s the difference between PT-141 and other ED medications?

Oral ED medications, such as tadalafil, work by increasing blood flow into the penis. Sexual stimulation is required, then a cascade of chemical reactions occurs. The end result is the relaxation of smooth muscle lining blood vessels and the chambers in the penis. This increases blood flow into the penis.

PT-141 is a synthetic peptide that binds to and activates the melanocortin receptors in the brain. After binding, it increases sexual arousal.

How long does it take for Passion+ to work?

Tadalafil takes 30 to 60 minutes to take effect. The time it takes for PT-141 to have its full effect varies, but it can take minutes to an hour. Passion+ can have effects lasting up to 36 hours.

Why are tadalafil, PT-141 and oxytocin combined?

PT-141 acts in the brain to increase sexual desire and improve erectile function. After sexual stimulation, tadalafil increases blood flow into the penis and clitoris to increase arousal and the likelihood of orgasm. Oxytocin increases satisfaction with sexual intimacy. Each of the three drugs has a role in improving sexual satisfaction.

Invigor Medical
Do I need a prescription before I buy from Invigor Medical?

No, Invigor Medical employs doctors licensed in all 50 states, and a medical consultation is included with each medical service. Each patient will receive a valid prescription, which is sent to the pharmacy to be filled.

How long does it take to get my medication?

Once you have enrolled for medical services with Invigor Medical, it usually takes 7-14 business days before items arrive at your home. This process includes an online medical consultation, prescription approval, the medication getting filled at the pharmacy, and the medication being sent to your home.

How do I know if I will be approved?
Most of the services that Invigor Medical offers are elective services. This means that most clients, if there are no restrictive contraindications, will be approved for the medications of their choice.
More Questions?
Fill out the form below, and one of our treatment specialists will contact you.

What is Passion+?

Oxytocin Promotes Feelings of Connectedness and Intimacy

Oxytocin is a small six-amino acid peptide that functions as a hormone and signaling molecule. Oxytocin has been called the “love hormone” or “trust hormone” because of its association with relationships, whether romantic or social. Blood oxytocin levels increase during sexual arousal and orgasm and during childbirth. Oxytocin release helps partners connect, whether romantic partners or parents and children.

Oxytocin levels are increased during physical contact, sexual arousal, and orgasm in both men and women. Oxytocin increases the intensity of orgasm and feelings of commitment after sex. Oxytocin may also be involved in feelings of empathy and a sense of well-being.

Tadalafil Increases Blood Flow

Tadalafil (generic for Cialis) is a lower-cost option for Cialis that contains the same active ingredients. It works exactly the same way as the brand-name medication in your body. Tadalafil relaxes smooth muscle, allowing blood vessels to dilate, improving erectile function, and increasing arousal for men and women. Increased blood flow into the penis and clitoris increases arousal and orgasm frequency.

PT-141 (Bremelanotide) Increases Libido and Sexual Response in Women

Hypoactive sexual desire disorder is not uncommon. It affects 8.9% of women between the ages of 18 and 44, 12.3% of women between the ages of 45 to 64, and 7.4% of women over the age of 65. Low sexual desire tends to increase with age, but distress associated with the disorder decreases, which means that the condition’s prevalence is consistent across ages. Low sexual desire is linked with lower health-related quality of life, lower overall happiness, and a higher risk of anxiety and depression. 

Female sexual dysfunction is a constellation of symptoms, including decreased desire, interest, arousal, orgasm, or pain with sex. Two large clinical trials demonstrated PT-141 safety and efficacy. Women using bremelanotide (PT-141) had a statistically significant improved sexual desire. Unlike previous treatment options, bremelanotide does not interact with alcohol.

PT-141 Treats Low Libido and Erectile Dysfunction in Men

PT-141 appears to act on melanocortin receptors 3 and 4 in the brain. It enhances sexual arousal and penile erections by releasing dopamine, a neurotransmitter in the brain.

In a double-blind placebo-controlled study, approximately 80% of men developed an erection satisfactory for intercourse after using PT-141 whether the cause of ED was physical or psychological, and 68% of men reported an increase in sexual desire.

Clinical trials are underway to further investigate PT-141; early results show that PT-141 is effective for men with diabetes and ED and for men who do not respond well to oral ED medications.

How Does Passion+ Work?

Oxytocin Enhances Sexual Response and Feelings of Closeness

Oxytocin is produced in the hypothalamus in the brain. It has an effect on brain regions that regulate emotions (limbic system and amygdala). Oxytocin also acts on brain circuits that promote social bonding and affiliation with others.

Oxytocin is released from the pituitary gland in response to stress and acts as an anxiolytic. It decreases anxiety and the body’s response to stress.

Tadalafil Is a Phosphodiesterase Type 5 Inhibitor

Nitric oxide is a small molecule found throughout the body. It is released from nerve endings near the blood vessels in the corpus cavernosum of the penis after sexual stimulation. Nitric oxide triggers a chemical cascade that dilates blood vessels and increases blood flow into the penis, resulting in an erection. cGMP (another chemical in the cascade) levels must remain high to maintain the erection. Phosphodiesterase inactivates cGMP. When cGMP is deactivated, the smooth muscles in the walls of small blood vessels contract, reducing blood flow and ending the erection.

Oral ED medications, such as tadalafil, are phosphodiesterase inhibitors. By inhibiting phosphodiesterase, nitric oxide continues to trigger the cascade, and blood flow into the penis is maintained, meaning a firm erection that persists. Understanding this cascade led to the development and subsequent FDA approval of tadalafil in 2003.

Activates Receptors in the Brain to Increase Sexual Desire

PT-141 (bremelanotide) is a nonselective agonist of the melanocortin receptors type 3 and 4. It binds to these receptors and induces a similar effect to when natural peptides bind to these receptors. It is the active metabolite of Melanotan II.

In the brain, PT-141 influences sexual behavior by stimulating dopamine release from the medial preoptic area in the brain, an area of the brain associated with sexual behavior.

Included with the Plan

No Hidden Fees

Free Doctor Consult

The consultation with the practitioner is always included when you buy Passion+.

Medical Support

Medical Support

Our friendly staff are knowledgeable and available to answer any questions.

Supplies Included

Supplies Included

When you purchase Passion+, all required supplies are always included.

No Doctors Office Visit Required

No Doctor's Office

Skip the in-person doctor’s visit, consult remotely, and get Passion+ shipped directly to you.

Licensed Pharmacies

Licensed Pharmacies

Our U.S. based, FDA-registered pharmacies provide quality meds tested for purity and potency.

Free Doctor Consultation

Licensed Doctors

Our licensed doctors cover all 50 states and are very well versed with the medications we offer.

  • Oxytocin During the Initial Stages of Romantic Attachment: Relations to Couples’ Interactive Reciprocity
  • Differential Effects of Intranasal Oxytocin on Sexual Experiences and Partner Interactions in Couples
  • Oxytocin—Its Role in Male Reproduction and New Potential Therapeutic Uses
  • The Role of Oxytocin in Psychiatric Disorders: A review of Biological and Therapeutic Research Findings
  • Extrahypothalamic Oxytocin Neurons Drive Stress-Induced Social Vigilance and Avoidance
  • VYLEESI Prescribing Information
  • Recent Developments in Psychopharmaceutical Approaches to Treating Female Sexual Interest and Arousal Disorder.
  • Expert Opinion on Existing and Developing Drugs to Treat Female Sexual Dysfunction.
  • Phase I Randomized Placebo-controlled, Double-blind Study of the Safety and Tolerability of Bremelanotide Coadministered With Ethanol in Healthy Male and Female Participants.
  • PT-141: A Melanocortin Agonist for the Treatment of Sexual Dysfunction
  • Hypoactive Sexual Desire Disorder: A Review of Epidemiology, Biopsychology, Diagnosis, and Treatment
  • The Future is Today: Emerging Drugs for the Treatment of Erectile Dysfunction
  • Bremelanotide
  • Melanocortin Receptors, Melanotropic Peptides and Penile Erection
  • Melanocortins in the Treatment of Male and Female Sexual Dysfunction
  • Sexual Interest/Arousal Disorder
  • Co-administration of Low Doses of Intranasal PT-141, a Melanocortin Receptor Agonist, and Sildenafil to Men with Erectile Dysfunction Results in an Enhanced Erectile Response
  • Erectile Dysfunction: Causes, Risk Factors and Management (Human Sexuality (Hardcover)
  • Impotence NIH Consensus Development Panel on Impotence
  • Tadalafil (Medline)
  • Tadalafil (NHS UK)
  • Tadalafil in the Treatment of Erectile Dysfunction; An Overview of the Clinical Evidence
  • Tadalafil (Rx) (Medscape)

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