Normal Testosterone Levels by Age

Are Your Testosterone Levels Normal? It’s All About How You FEEL.

My second round of testosterone level tests results just came back. The first time I was low again, but this time I am “normal”. I put that in parenthesis because I don’t FEEL normal, and because I am just barely normal on a scale that goes hundreds of points and is meant for men much older than me.

Normal Testosterone Levels by Age
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I am 33 and my Total testosterone is at 278. The scale runs from 250 to 1,100 and is meant for adult males of ALL ages. So I’m at the low end of “normal” for an 80-year-old man? To put this into perspective: The difference between 0 and 278 is less than the difference between 278 and 1,100. This doesn’t make sense to me. I looked for normal ranges for men my age, and some other sites online suggest total testosterone levels around 668, which means I’m actually functioning with less than HALF of the normal range.

What I’m trying to say is that, despite having “normal” testosterone levels, I don’t feel right. I’m depressed, lethargic, angry, stressed, anxious and weak. My back hurts every day and I can barely even bend over to tie my shoes. I have no sex drive whatsoever and I feel like the world is on my shoulders when, logically, I know it’s not. I have nothing to be depressed about. I have a good job, a great wife, a big farm, lots of animals… life is good. But I feel like shit.

So the point is to trust how you feel. You and only you know your body and what feels “normal” to you. Don’t let some test dictate your treatment. Be an active participant in your healthcare. Now, if my testosterone levels were in the 400s – 500s (still below the average in men of my age) and I felt this way, I would look at other options. Maybe I just need to be on anti-depressants or something. But I know my body and I know that’s not it. I’ve never been a depressed person. I didn’t feel this way until my testosterone started falling.

What am I going to do?
I’m going to continue trying to let my system restart since it appears that I am actually doing better than I was. I’m going to go get another blood test in a month and if I’m doing worse, or not doing better, I’m going to go back on TRT. If I’m doing better, like in the 300s, then I’ll give it another month. As long as I’m making progress then I’ll keep on keeping on without the TRT. And that is MY decision based on how I FEEL. The goal, after all, is to feel better.

Vermeulen, A. (1996). Declining androgens with age: an overview. In Vermeulen, A. & Oddens, & B. J. (Eds.), Androgens and the Aging Male (pp. 3-14). New York: Parthenon Publishing.
Measurements Converted to (ng/dl)
Age Number of
Subjects
Total
Testosterone
Standard
Deviation
Free
Testosterone
Standard
Deviation
SHBG (nmol/L) Standard
Deviation
25-34
45
617
170
12.3
2.8
35.5
8.8
35-44
22
668
212
10.3
1.2
40.1
7.9
45-54
23
606
213
9.1
2.2
44.6
8.2
55-64
43
562
195
8.3
2.1
45.5
8.8
65-74
47
524
197
6.9
2.3
48.7
14.2
75-84
48
471
169
6.0
2.3
51.0
22.7
85-100
21
376
134
5.4
2.3
65.9
22.8
Normal Testosterone Levels in Men (Healthy Non-Diabetic)
Simon, D., Nahoul, K., & Charles M.A. (1996). Sex hormones, aging, ethnicity and insulin sensivity in men: an overview of the TELECOM Study. In Vermeulen, A. & Oddens, & B. J. (Eds.), Androgens and the Aging Male (pp. 85-102). New York: Parthenon Publishing.
Measurements Converted to (ng/dl)
Age Number of
Subjects
Mean
Total
Testosterone
Standard
Deviation
Median
Total
Testosterone
5th
Percentile
10th
Percentile
95th
Percentile
<25
125
692
158
697
408
468
956
25-29
354
669
206
637
388
438
1005
30-34
330
621
194
597
348
388
975
35-39
212
597
189
567
329
388
945
40-44
148
597
198
597
319
378
936
45-49
154
546
163
527
329
358
846
50-54
164
544
187
518
289
348
936
55-59
155
552
174
547
319
338
866