Still creeping past 110? Whether you failed berberine, refused metformin over the side effects, or just found no R anywhere on your alpha lipoic acid bottle, here is what 600 mg of pure R-form actually does.
You cut the carbs. You walked after every dinner. You lost twelve pounds — and the number went up two tenths anyway.
That is not willpower. Everything you did changes how much sugar arrives. None of it reaches the transporters that let sugar leave — those are GLUT4, parked inside an insulin-resistant muscle cell where no diet can get at them. R-(+)-alpha lipoic acid moves them to the surface without insulin (Estrada, Diabetes, 1996).
Berberine is an AMPK activator: it tells your liver to manufacture less sugar overnight. That is the supply side only — and its own literature reports bioavailability under one percent in animal and human models.
R-alpha lipoic acid runs near thirty percent and hits two places at once: the muscle that takes glucose in, and the mitochondria that burn it. Berberine is the tap. Your fasting number is a drain problem.
The crash is not in your head and it is not your age. Glucose that cannot get into muscle cannot be burned for energy, so it spikes, overshoots, and dumps you at 3 p.m. with a headache and no words.
Alpha lipoic acid is a cofactor for pyruvate dehydrogenase — the enzyme that turns glucose into actual cellular energy instead of leaving it circulating. It also recharges your spent vitamin C, E, glutathione and CoQ10 back into service.
Per the manufacturer’s own trial data, about 53% of people on immediate-release metformin get diarrhea. Long-term users develop vitamin B12 deficiency (Aroda, DPPOS, 2016) — and B12 deficiency causes the exact neuropathy the drug was meant to head off.
Then there is the part nobody says out loud: a prediabetic is worth almost nothing to the system managing you. A diabetic is a coded, billable, lifetime patient. Nobody in that chain earns a dollar from the fasting number you still have.
Turn your current bottle over. If there is no R in front of “alpha lipoic acid”, it is racemic — half R, half a synthetic mirror image your mitochondria physically cannot bind.
And the S-form is not inert. It competes with R for the same transport, so it is actively in the way: your 600 mg was really 300, fighting itself. Ours is pure R, suspended in coconut oil because the molecule is fat-soluble — not dry powder in a hard capsule.
Dispensed as Thioctacid® since 1966 and still prescription-only in Austria, Switzerland, Hungary and the Czech Republic. In 2001 the journal Diabetes titled a paper “The Antihyperglycemic Drug α-Lipoic Acid.” In America nobody filed — you cannot patent a molecule your own mitochondria already make.
Self-reported by customers surveyed after their first bottle.




Thousands have already moved off the racemic bottle, most of them after years on berberine, cinnamon and chromium. Same age bracket, same 108-to-125 range, same follow-up appointment already sitting on the calendar.
One ingredient. 600 mg of R-(+)-alpha lipoic acid in a coconut-oil softgel, zero S-form competing for the transporter. Right now every pouch ships with a second one free — two months, one price.

Not sold on the supplement aisle — it ships direct, and batches sell out.
Check Availability90 days — one full A1C cycle — or every penny back.
Finally something aimed at the right organ
I have a drawer of bottles that all promised the same thing. This is the first one where somebody actually explained what it was doing instead of just telling me it supports healthy levels. My mornings are calmer and I stopped dreading the draw.
Harold M.
✓ Verified PurchaseMy endocrinologist asked what I changed
Two years of we’ll watch it, and then last visit it was let’s talk about metformin next time. I went home and read about isomers instead. She actually looked up from the screen this time. No stomach trouble at all.
Deborah R.
✓ Verified PurchaseIt is not fast, and I would rather you knew that
Four stars because nothing happened for the first month and I nearly quit. It was around week seven before I noticed anything. Also thirty softgels is exactly thirty days, so if you miss the reorder you are out. It does work. Just not in a fortnight.
Ray V.
✓ Verified PurchaseNo stomach issues at all, unlike the berberine
Berberine wrecked me. Cramping, gas, and it stopped doing anything after about six weeks anyway. This is one softgel with coffee and I forget I have taken it. I take it alongside my statin, but I did tell my doctor first.
Janet W.
✓ Verified PurchaseI was the one who did everything right
Cut the carbs, walked after every dinner, lost twelve pounds, and the number went the wrong way anyway. Turns out I was aiming at what goes in when the problem was what comes out. That reframe alone was worth it.
Wendell B.
✓ Verified Purchase
“Doc said one more bad A1C and we start metformin. Eight months on berberine, nothing. Switched in April and my A1C came back the right way for the first time in four years.”
“I bought the $19 bottle twice. Twice. Nobody told me half of it was the wrong half.”
“Frank won't post so I am. His mother lost a foot at 71 and he has been terrified of that number ever since. He made me take this picture.”
“It goes in the same tray as my blood pressure pill. Nothing to reorganise, nothing to stop taking. My endocrinologist asked what I changed.”
“Cinnamon. Chromium. Apple cider vinegar. A Costco jar of every one. This is the only one where the meter actually moved and stayed moved.”
“I used to fast a day and a half before a draw to make the number look better. Didn't need to this time.”
“Sitting in the waiting room holding a printout I am not embarrassed by. I did not change my diet. I changed one bottle.”
“Gestational diabetes twenty years ago and I have watched it creep every year since. My husband is on it now too.”
“I bought it because the label actually says R-form. That is the whole reason. Everything else just says alpha lipoic acid and hopes you don't turn it over.”
“Started in June. It is not overnight - took me about nine weeks. But my doctor has stopped bringing up the pill.”

Harold M. ✓ Verified Buyer
I have a shoebox of alpha lipoic acid bottles and not one of them says R-form anywhere. Turns out that was the whole problem. My wife thinks I changed my diet. I did not change my diet.

Gloria B. ✓ Verified Buyer
It sits on the nightstand and I take it with the first coffee. That is the entire routine. I have not had to reorganise a single thing I was already taking.

Carol M. ✓ Verified Buyer
Four stars only because I wanted it faster. It took the better part of two months before anything shifted. But we went out for our anniversary and he ordered the dessert without doing the arithmetic first, and that was new.

Wayne H. ✓ Verified Buyer
One softgel, and it is oil not powder, which apparently is the whole point with this molecule. Wish somebody had told me that before I wasted a year on the cheap stuff.