Male health
Low Testosterone Symptoms: Signs, Look-Alikes and the Blood Test
Low testosterone symptoms include low sex drive, muscle loss, infertility and enlarged breasts, according to MedlinePlus. None of these proves low testosterone, because other conditions cause them. Diagnosis needs a physical exam and blood tests. Supplements sold with testosterone talk, tribulus included, have not been shown to fix a measured low level.
Written by the Protoflow label deskUpdated · 4 min read
The signs01
What are the symptoms of low testosterone?
MedlinePlus lists low sex drive, muscle loss, infertility and enlarged breasts for male hypogonadism (MedlinePlus, Male Hypogonadism).
Hypogonadism means the testicles make little or no testosterone. The signs are easy to blame on age, stress or poor sleep, which is why they are easy to misread.
- Low sex drive
- Muscle loss
- Infertility
- Enlarged breasts
The test02
How is low testosterone diagnosed?
With a physical exam and blood tests, not a symptom quiz (MedlinePlus, Male Hypogonadism).
| Step | What it checks |
|---|---|
| Physical exam | Signs of low hormone levels |
| Blood test | Testosterone, prolactin, FSH and LH |
| Context | Harder to judge in older or obese men |
Levels decline gradually with age, so one number needs context. If confirmed, treatment is typically testosterone replacement under a clinician (MedlinePlus, Male Hypogonadism).
Look-alikes03
What else looks like low testosterone?
Erection trouble in particular has many other causes.
Diabetes, heart disease, some medicines and stress can all lower desire or erections (NIDDK, Erectile Dysfunction). That is one reason to get checked before buying anything. Read erectile dysfunction causes for that list.
Never stop a medicine because of a supplement. Ask your clinician about any new product first.
Protoflow: from $49 a bottle60 capsules · 2, 3 or 6 bottles · free US shipping on 3 or 6 · 60-day guarantee
See packsSupplements04
Does Protoflow raise testosterone?
The label makes no testosterone claim, and we make none.
Protoflow lists tribulus at 120 mg a serving (Protoflow bottle label). Tribulus is marketed as acting like testosterone, but the evidence does not clearly support that, and human studies are mixed (MSK, Tribulus terrestris). Men with prostate cancer should ask a physician before using it (MSK, Tribulus terrestris). More on the herb at tribulus in Protoflow.
FAQ05
Low testosterone questions
Can low testosterone cause urinary symptoms?
Our sources do not link the two. A weak stream and night-time trips point to the prostate, diabetes and others, so see nocturia causes.
What time of day is a testosterone blood test taken?
Our sources do not say. Ask the clinic ordering the test how to prepare.
Is fatigue enough to suspect low testosterone?
No. Fatigue is not on the MedlinePlus symptom list and has many causes, so it needs a full check (MedlinePlus, Male Hypogonadism).
Can an enlarged prostate lower testosterone?
Our sources do not say so. BPH is a growth of the gland, and hormone levels need their own test (NIDDK, Enlarged Prostate (BPH)).
Do over-the-counter testosterone boosters get tested by FDA?
No. FDA does not approve supplements before sale (FDA, Dietary Supplements Q&A), and some male products have hidden drugs (FDA, Alpha-Male public notification).
Who wrote this06
Written and reviewed by
Pages built from the label, the brand pages and linked NIH, FDA, FTC, NICE and peer-reviewed sources.
Last updated . See our editorial standards and how we check reviews. This website is run by a USA authorized Protoflow retailer, not by the manufacturer or distributor, PhytoThrive Labs. We make money when you buy through our order links.
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