🍋 Vitamin Overdose: Know Before You Take! The Truth About Supplement Marketing
Hi, I’m Seojun from Shinbi Days.
These days, everyone seems to be taking at least one vitamin supplement, right?
But here’s the thing…
Did you know that these vitamins we take for our health can sometimes be the cause of fatigue?
💊 Vitamin B Complex: The Reality of Being Used Like a “Stimulant”
You’ve probably heard of high-dose Vitamin B complexes on the market, especially products like ‘Benfobell’ or ‘Vitamax’, right?
These products are actually at a dosage level prescribed for people who need medical treatment
for things like peripheral neuropathy or diabetic neuralgia, 등
rather than for general fatigue recovery.
Even so, pharmacies and advertisements these days market them by saying,
“Tired? One Vitamin B shot is all you need!”
Taking high-dose Vitamin B gives you a temporary stimulant effect.
You feel your body waking up, your focus seems to improve, and it feels like your brain is running faster.
But what happens after that?
😵 Rebound Lethargy and the Pharmacy Loop
High-dose Vitamin B 몸의 신경계를 순간적으로 자극시켜서 반짝 에너지를 올려줘요.
그런데 이 자극이 반복되면,
몸은 점점 더 자극에 무뎌지고,
‘기본 에너지 레벨’이 오히려 낮아지는 현상이 생깁니다.
Eventually, lethargy sets in,
and you find yourself thinking, “Why am I so tired…?”
as you head back to the pharmacy in a repeating loop.
I’d cautiously suggest that this might even be intentional marketing.
💬 [Personal Experience] I felt better after I stopped taking supplements
Actually, I experienced this firsthand.
One day, trying to fix my fatigue,
I took high-dose Vitamin B1 and B6 products.
That day, my focus definitely improved,
and I felt a strong sense of my body waking up.
The problem started the next day.
My nerves became sensitive, my mood swings increased,
and especially, a sense of lethargy hit me for no reason.
At first, I thought it was stress,
but after repeating it for a few days, it was worse exactly the day after taking the supplements.
So one day,
I tried skipping the supplements for just one day.
Surprisingly,
my body felt much more comfortable and stable,
and natural energy started to return.
My stress response decreased, and my emotions became smoother.
That’s when I realized.
Supplements I thought were unconditionally good
could actually be excessive stimulation for the body.
Nowadays, I only take them when my body wants them,
and only as much as I need.
That’s what a truly healthy routine looks like. 😊
🌿 Natural vs. Synthetic Vitamins: What’s the Difference?
Some pharmacist YouTubers say this:
“The ingredients are the same whether they’re natural or synthetic.”
That’s true.
The ingredients themselves might be similar.
However, the way they work (mechanism) once they enter the body is different.
Natural vitamins usually
- have a more stable absorption rate,
- and because they have bioregulatory effects that inhibit excessive absorption,
they have a structure that the body can accept gently.
On the other hand, synthetic vitamins
- can have inconsistent absorption rates,
- and there’s a possibility of excessive accumulation,
so there could be a risk of side effects in the long term.
That’s why I’d like to recommend vitamins based on natural ingredients whenever possible. 🌱
📊 So, how much vitamin should you take?
| Vitamin type | Recommended Daily Allowance (RDA) | Tolerable Upper Intake Level (UL) | Notes |
|---|---|---|---|
| Vitamin B1 (thiamine) | 1.1–1.2 mg | None (low toxicity) | 50–100 mg+ is for therapeutic use |
| Vitamin B2 (riboflavin) | 1.1–1.3 mg | None | At high doses, urine may turn yellow |
| Vitamin B6 (pyridoxine) | 1.3–2 mg | 100 mg | Long-term use of 100 mg+ may cause neurotoxicity |
| Vitamin B12 (cyanocobalamin) | 2.4 μg | None | Even thousands of μg are considered safe, but more than you need |
| Vitamin C | 100–500 mg | Up to 2,000 mg | High doses may cause stomach discomfort |
| Vitamin D | 600–800 IU | Typically up to 4,000 IU; in some cases, 5,000 IU may be possible | Recommended after checking blood levels |
| Vitamin A (as retinol) | 700–900 μg | 3,000 μg | Excess may increase the risk of liver toxicity |
| Beta-carotene (vitamin A precursor) | None (not specified) | No limit | Low toxicity even with high intake, but your skin may turn slightly yellow |
| Vitamins E and K | Usually sufficient from a normal diet | No separate limit | E is an antioxidant; K helps regulate blood clotting |
🍠 Beta-carotene is fine, don’t worry too much!
Many people worry about excessive Vitamin A intake!
The retinol (animal-based A) form can strain the liver in excess,
but beta-carotene (plant-based Provitamin A) is
only converted to Vitamin A as needed by the body
relatively safe even in large amounts.
However,
- taking very high doses for a long time can make your skin look slightly orange,
- and since there are research results regarding lung health for smokers,
it’s best to consult a professional for continuous use!
🍀 Conclusion: Our bodies are healthier when cared for quietly
my healthiest strength!
Vitamins are just supplements.
They can’t provide a powerful effect like an energy drink on their own.
Rather, I think it’s a more natural and healthy direction for our bodies to,
recover slowly and run by gently balancing themselves.
These days, Seojun is,
carefully adjusting vitamins,
finding what fits his body one by one.
Let’s take care of our bodies and minds,
together with a healthy routine.
I’m always rooting for your health. 🍃
If you have any questions, please leave them in the comments! 😊
