This mod rebalances and enhances the Alchemy systems and Food's effects.
And I got many original ideas from "Phitt's Alchemy and Food Overhaul".
So this mod is similar to it (I didn't use assets in it.)

==Features==

Alchemy

1, Rebalanced prices of potions.

You can become rich easily by making potions in vanilla. I decreased prices of potion that you make. I decreased the prices of some too expensive premade potions too, but most of them don't become so inexpensive.
And now custom potion's prices don't so much depend on kind of magic effects of the potions.
The prices depend on the number of effects of the potions, and on the Strength of the effects.
And Alchemy Skill XP you get when make potions depend on potion's price. So now you can't gain a lot of skill XP by making very expensive potions. But because I rebalanced the leveling rate of Alchemy skill, you can gain some XP by making potions normally.

2, Rarity of ingredients

Most of ingredients already have rarity in Vanilla.(Common or Uncommon or Rare)
This rarity affects only how frequently merhants sell each ingredient in Vanilla.
Now Rarity of Ingredients affect magnitude of ingredients' effects. You can make stronger potion if you use rare ingredients.
Ingredients are divided into 5 rarity.

Very common (Magnitude of effects : -40%)
Plants that can be harvested at over 600 places, and "common" in Vanilla. 9 ingredients are very common.

Common (Magnitude of effects : -25%)
Most of "common" ingredient in Vanilla. And "uncommon" plants that can be harvested at 400~600 places. 31 ingredients are common.

Uncommon (Magnitude of effects : ±0%)
Most of "uncommon" ingredient in Vanilla. And "rare" plants that can be harvested at 200~400 places. 47 ingredients are uncommon.

Rare (Magnitude of effects : +25%)
Most of "rare" ingredient in Vanilla. And some ingredients that is hard to find. You can buy most of rare ingredients from merchants, but all rare ingredients are expensive (about 150~400 gold). 18 ingredients are rare.

Very rare (Magnitude of effects : +40%)
Ingredients that can't be bought and hard to find (even if you have some DLCs). 5 ingredients are very rare.

There are some ingredients that have weaker or stronger effects in vanilla.(e.g. Damage Health of Deathbell)
Such ingredients still have stronger effects than ingredients of same rarity. But I rebalanced ratio.

3, Most of potions and poisons don't work instantly

Restore Health, Magicka, Stamina potions have a duration of 5 seconds and don't stack. (It has no meaning to use same Restore potions at the same time.)
Damage Health, Magicka, Stamina potions have a duration of 3 seconds.

"Damage ~" and "Restore ~" effects in vanilla (having no duration) are renamed "Instant damage" and "Instant restore".
You can make Instant resore potion (damage poison) from some ingredients.
But the ingredients are hard to be found and Instant potions are very weak.
Why the effects exist is to keep compatibility with other mods that add some ingredients.
Restore and Damage effects of the ingredients added by mods become Instant Restore and instant Damage effects.

4, The magnitude of ingredient effects and premade potion's effect were rebalanced. (Includes ingredients of DLCs.)

I rebalanced all potions and ingredients?in skyrim and 3 DLCs(Dawnguard, Hearthfire, Dragonborn)
So This mod is compatible with all DLCs. (Of course this mod doesn't require DLC.)

5, Added 5 rare effects.

Added 5 new effects (3 potion and 2 poison). These effect are rare. Only 3 ingredients have each effect (If you have all DLCs). Mainly rare ingredients have these effects.
To add the new effects I deleted some effects that have low usefulness or potions of that are strong enough even if you use common ingredients.
So I think It won't cause you any inconvenience.

6, Enhanced Recipes.

You can learn effect of 4~6 ingredients from one recipe and reading recipes automatically unlocks the ingredient effects. If you have DLC, you can learn some DLC's ingredients effects from some recipes.
but recipe's prices are more expensive. (about x8)

7, Rebalanced Paralysis poisons.

I think paralysis posions that have long duration are too strong. So I rebalanced it.
Now duration of paralysis poisons that you made doesn't depend on you Alchemy skill.
It depends on rarity of most common ingredients that you use.(common : 1 second , uncommon : 2 s , rare : 4 s)
For example, if you use common ingredient and rare one, the poison's duration is 1s.
If you want to make "4 seconds" paralysis poison, you have to use two rare ingredients.


Food

Now food's effects will last longer(5minutes or 20 minutes) and are stronger than Vanilla. And cooked foods are stronger than raw foods. But now you can't restore your health instantly.
The effects are devided into 4 groups.
Fortify HMS
"Fortify Health" , "Fortify Magicka" and "Fortify Stamina".
Regenerate HMS
"Regenerate Health" , "Regenerate Stamina" and "Regenerate Magicka".
Resistance
Resist Fire, Resist Frost, Resist Shock, Resist Poison, Resist Magic and Resist Damage.
Fortify Skill
Other effects.

You can benefit from one effect in each group.(e.g. Forify Health + Resist Fire : OK , Fortify Health + Fortify Stamina : NG)

A few new recipes were added.(Baked Potato, Soulhusk Extract, Grilled Leeks, Cooked Boar Meat)

Beverage (Alchohol)

Now beverage's effects will last longer(10 minutes)and are stronger than Vanilla.
Each beverage has a resistance effect and a fortify attribute effect.
Most of them are stronger than food's effects. But most of beverage have side effects.(Damage Magicka and Stamina Regen and Slow effect.)
And if you drink too much alcohol, you will be not able to run.

Skooma

Now Skooma and Drugs that is similar to skooma have strong effects and the duration is long.(5 or 7 minutes)
They Fortify Health, Magicka, Stamina and spped. But you?become addict and it damage your Health, Magicka, Stamina and spped for dozens of hours.
Khajiit have resistance to drugs, and can weaken damage effects. But weaken fortify effects too.

Perk

This module changes Alchemy Perk tree. There are two version : normal ver. and Uncapper ver.
Uncapper ver. adds stronger perk ranks available at skill levels 100~300.(Requires Skyrim -Community- Uncapper)


Now Alchemist Perk is weaker than Vanilla , but Benefactor, Physician and Poisoner Perk are stronger.

Alchemist : 4 levels - 15% / 30% / 45% / 60%
(Uncapper ver.: 8 lvls - 15% / 30% / 45% / 60% / 80% / 90% / 100% / 200%)

Benefactor : 2 levels - 25% / 50%
(Uncapper ver.: 4 lvls - 25% / 50% / 75% / 90%

Physician : Potions you mix that restore Health, Magicka or Stamina are 50% more powerful.(from 25%)

Poisoner : 2 levels - 25% / 50%
(Uncapper ver.: 4 lvls - 25% / 50% / 75% / 90%)
Now Poisoner Perk affects Fear and Frenzy poisons.

Snakeblood : Added 50% resistance to disease.
(Uncapper ver.: 2 levels - 50% / 80%)

Purity : Added a power that temporary disables Purity perk effect.(30 seconds)
Sometimes Purity perk lower the price of potions that you make, because this perk may remove some potion's effect.
So I added the power that temporary disables Purity perk effect.


==Recommended Mods==

Unofficial Skyrim Patch
USKP fixes many bugs about alchemy and the others. I recommend to use.
Load USKP before my mod.

Skyrim -Community- Uncapper
Requires SKSE.
Alchemy Balanced Overhaul rebalances the leveling rate of alchemy skill.
If you don't like the leveling rate that I rebalanced and you want to adjust the leveling rate by yourself, I recommend this mod.

==Installation==
I recommend to install with NMM or Wrye Bash. (Download NMM and BAIN package.)

Install with NMM:
1, Download with Manager.
2, Select this mod in the Mods tab of NMM.
3, Press the "Activates the selected Mod" button.
4, Select features.

Install with Wrye Bash:
1, Run Wrye Bash.
2, Select Installer tab of Wrye Bash and then drag and drop my mod's 7zip archive.
3, Right-click and then select "Wizard".
4, Select features.

Alchemy
If you have all DLCs (Dawnguard, Hearthfire, Dragonborn), select "All DLC".
If you have 0 or 1 or 2 DLCs, Select "Some or no DLC".
Then choose ESPs for DLCs that you have.
AlchOverhaul_DB.esp : Dragonborn patch
AlchOverhaul_DG.esp : Dawnguard patch
AlchOverhaul_HF.esp : Hearthfire patch

If you use 'Skyrim -Community- Uncapper' select "Uncapper".
And open SKSE_Elys_Uncapper.ini and make sure SkillExpGainMult of Alchemy are set 16~24.(I recommend 20)

Food
If you have all DLCs (Dawnguard, Hearthfire, Dragonborn), select "All DLC" version.
If you have 0 or 1 or 2 DLCs, Select "No DLC" version.

If you want to modify only food or beverage or skooma.
Select "FoodOnly" or "Beverage" or "Skooma"
==Compatibility==
Incompatible with mods that change potions or ingredients.
Compatible with mods that add new potions or new ingredients.
Compatible with mods that change Alchemy's Perk Tree.(If you don't use "Perk" module of this mod.)

--Credits--
Phitt : I got many original ideas from "Phitt's Alchemy and Food Overhaul"(rarity of ingredients, 'recipe unlocks ingredient effects automatically', decreased prices of potions).

Maybe my mod is simpler than "Phitt's Alchemy and Food Overhaul".
I removed no effects. (Just rebalanced.)
I didn't change kinds of ingredient's effects so much.
I didn't touch Leveled list.