Supplement Facts
Serving Size: 1 Tablet
Amount Per Serving
%DV
Vitamin B1 (as thiamin HCl)
500 mg
41,667%

The product is found useful for the following medical conditions

Leg Cramps details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 3 Reviews
8.8
10
Effective solution
Most Useful Review
63 people found this helpful
This product is fantastic for leg cramps. I switched from the Vitamin Shoppe brand of B-1 to Solgar, which is even better due to the natural ingredients and larger dosage. It arrived well-packaged, and I appreciate the service.
Updated: Apr 2025

Sleep Apnea details

SCIENTIFIC SCORE
Possibly Effective
Based on 4 Researches
7
USERS' SCORE
Good
Based on 2 Reviews
8.6
We investigated how using a positive airway pressure (PAP) device impacts urinary albumin to creatinine ratio (UACR) and metabolic health in patients with metabolic syndrome and obstructive sleep apnea-hypopnea syndrome.

Over three months, we compared a group using PAP to one not receiving this treatment. The results were promising, showing that the PAP group had significant reductions in UACR and several metabolic measurements like body mass index and visceral fat.

This suggests that PAP can be effective in improving metabolic issues associated with sleep apnea.
9
Helps nightmares
Most Useful Review
3 people found this helpful
Excellent! This product greatly helps with nightmares. When experiencing bad, heavy dreams, I take 1-3 tablets, which are effective for such situations. It has notably improved my quality of sleep.
Updated: Apr 2025

Heart Disease details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 2 Reviews
8.5
9
Heart benefits highlighted
Most Useful Review
AMAZING! I love this product! It's good for the heart, and my family enjoys it too!
Updated: Apr 2025

Bone Pain details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 5 Reviews
8.4
9
Unexpected relief
Most Useful Review
3 people found this helpful
Qualitative When I arrived, I had a headache; usually, when everything hurts like that, I suffer for 3-4 or even 6-7 days. However, after drinking, I fell asleep and woke up without pain and feeling rested. I don’t know how this is connected, but the sauce unexpectedly helped me.
Updated: Apr 2025

Depression details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 2 Reviews
8.4
7.5
Quick relief
Most Useful Review
15 people found this helpful
Great dosage, very large. I took it to overcome spring depression and weakness. It helped very quickly. However, it is not advisable to consume such doses consistently. It's beneficial for recovery post-illness, especially for the elderly.
Updated: Mar 2026

Pelvic Pain details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 3 Reviews
8.4
9
Muscle pain reduction
Most Useful Review
Excellent! Vitamin B1 alleviates muscle pain in my leg.
Updated: Apr 2025

Cardiovascular Disease details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 2 Reviews
8.3
7.5
Positive heart impact
Most Useful Review
4 people found this helpful
Excellent thiamine! I purchased this drug to address issues related to Covid disease. Doctors recommend injections, but these pills are preferable due to their excellent dosage of 500mg. I started taking one tablet for the prevention of post-Covid complications affecting the heart, and I believe there is a noticeable effect! I highly recommend it!
Updated: Apr 2025

Anxiety details

SCIENTIFIC SCORE
Possibly Effective
Based on 3 Researches
7.3
USERS' SCORE
Good
Based on 6 Reviews
8.2
We explored the effectiveness of a 7-week peer-to-peer program for young people aged 15 to 25 who experience symptoms of anxiety and depression in Denmark.

With 483 participants primarily women, we gathered data through questionnaires before, after, and five months later. This allowed us to track changes in anxiety, depression, and self-efficacy.

The results showed that the program helped reduce symptoms and improve self-management. However, we noted mixed outcomes regarding education and employment, suggesting that while employment rates improved, education may have suffered for some participants.
9
Helps anxiety significantly
Most Useful Review
4 people found this helpful
Excellent product, very good potency that makes a noticeable difference. It helps anxiety greatly— plain and simple, just get it!
Updated: Apr 2025

Autoimmune Disorder details

SCIENTIFIC SCORE
Moderately Effective
Based on 11 Researches
8
USERS' SCORE
Good
Based on 10 Reviews
8.2
We explored the fascinating world of cyclotides, which are plant-derived peptides that can either support or suppress immune responses. Our focus was on a modified version of kalata B1, known as [T20K], which showed encouraging results in treating multiple sclerosis in preclinical studies.

Administering [T20K] led to significantly lower cytokine levels, minimal demyelination, and reduced inflammation in mice. In comparison to standard immunosuppressive drugs, [T20K] also showed lower mortality and morbidity rates. While the research is promising, more studies are needed to confirm these findings in humans.
9
Nerve damage relief
Most Useful Review
8 people found this helpful
Solgar Thiamin 500mg was prescribed for my husband by a neurologist after he developed "drop foot" post knee replacement. It has significantly aided his nerve damage and alleviated most symptoms. He was advised that even a year post-surgery, improvement could still be seen. I have consistently achieved positive results with Solgar products, making this our choice.
Updated: Apr 2025

Chronic Fatigue Syndrome details

SCIENTIFIC SCORE
Likely Very Effective
Based on 1 Research
9
USERS' SCORE
Good
Based on 2 Reviews
8.2
We investigated the impact of Qiye Shen'an Pian alongside glutathione and vitamin B1 on chronic fatigue syndrome (CFS) symptoms.

In a study with 106 patients over eight weeks, we compared two groups: one received standard treatment, while the other got additional Qiye Shen'an Pian.

Our findings revealed that this combination treatment led to significant improvements in immune function and reduced fatigue symptoms, enhancing both physical and psychological health in CFS patients.
7.5
Fatigue reduced after alcohol
Most Useful Review
1 people found this helpful
As a heavy drinker, I find the thiacin ingredients essential. I started taking this alongside my vitamin B complex, and it has significantly reduced my fatigue the day after consuming alcohol, making it effective. Although the price is higher than other brands, I am satisfied with the quality. The capsule size was larger than expected, but not an issue.
Updated: Mar 2026

Headache details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 2 Reviews
8.2
9
No more headaches
Most Useful Review
3 people found this helpful
Large Dosage Working B1 is for alkalising; I previously used cocarboxylase, but I prefer this B1. I take only 1/4 of a tablet per day, and to avoid any overcursor, I consume a group of vitamins B50 and magnesium. The headaches have vanished.
Updated: Mar 2026

Knee Pain details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 4 Reviews
8.2
7.5
Pain relief noted
Most Useful Review
1 people found this helpful
The doctor recommended these for pain relief, including head and menstrual pain. I take two tablets and experience relief. I highly recommend them.
Updated: Apr 2025

Brain Tumor details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Moderately Good
Based on 4 Reviews
7.9
8
Energy and focus enhanced
Most Useful Review
Thiamine (Vitamin B1) has become an essential supplement for maintaining energy and improving my nervous system function. Since I began taking it, I've felt more energetic and better able to handle mental stress. Thiamine aids in converting food into energy and supports brain and nervous system function—crucial during stressful times or increased cognitive demands. The capsules absorb easily and are side-effect free. It's an excellent choice for those looking to enhance cognitive function, boost energy levels, and improve overall well-being!
Updated: Apr 2025
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